mirror of
https://github.com/roc-lang/roc.git
synced 2024-09-21 07:49:17 +03:00
Merge remote-tracking branch 'origin/trunk' into alias-nominal-equality
This commit is contained in:
commit
a47f9baef4
@ -324,9 +324,9 @@ fn jit_to_ast_help<'a>(
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todo!("print recursive tag unions in the REPL")
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}
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Content::Alias(_, _, _, actual) => {
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let content = env.subs.get_without_compacting(*actual).content;
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let content = env.subs.get_content_without_compacting(*actual);
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jit_to_ast_help(env, lib, main_fn_name, layout, &content)
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jit_to_ast_help(env, lib, main_fn_name, layout, content)
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}
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other => unreachable!("Weird content for Union layout: {:?}", other),
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}
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@ -468,7 +468,7 @@ fn list_to_ast<'a>(
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let elem_var = *vars.first().unwrap();
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env.subs.get_without_compacting(elem_var).content
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env.subs.get_content_without_compacting(elem_var)
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}
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other => {
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unreachable!(
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@ -486,7 +486,7 @@ fn list_to_ast<'a>(
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let offset_bytes = index * elem_size;
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let elem_ptr = unsafe { ptr.add(offset_bytes) };
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let loc_expr = &*arena.alloc(Located {
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value: ptr_to_ast(env, elem_ptr, elem_layout, &elem_content),
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value: ptr_to_ast(env, elem_ptr, elem_layout, elem_content),
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region: Region::zero(),
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});
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@ -539,8 +539,8 @@ where
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let mut field_ptr = ptr as *const u8;
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for (var, layout) in sequence {
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let content = subs.get_without_compacting(var).content;
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let expr = ptr_to_ast(env, field_ptr, layout, &content);
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let content = subs.get_content_without_compacting(var);
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let expr = ptr_to_ast(env, field_ptr, layout, content);
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let loc_expr = Located::at_zero(expr);
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output.push(&*arena.alloc(loc_expr));
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@ -577,10 +577,10 @@ fn struct_to_ast<'a>(
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// this is a 1-field wrapper record around another record or 1-tag tag union
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let (label, field) = sorted_fields.pop().unwrap();
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let inner_content = env.subs.get_without_compacting(field.into_inner()).content;
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let inner_content = env.subs.get_content_without_compacting(field.into_inner());
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let loc_expr = &*arena.alloc(Located {
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value: ptr_to_ast(env, ptr, &Layout::Struct(field_layouts), &inner_content),
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value: ptr_to_ast(env, ptr, &Layout::Struct(field_layouts), inner_content),
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region: Region::zero(),
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});
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@ -606,9 +606,9 @@ fn struct_to_ast<'a>(
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let mut field_ptr = ptr;
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for ((label, field), field_layout) in sorted_fields.iter().zip(field_layouts.iter()) {
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let content = subs.get_without_compacting(*field.as_inner()).content;
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let content = subs.get_content_without_compacting(*field.as_inner());
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let loc_expr = &*arena.alloc(Located {
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value: ptr_to_ast(env, field_ptr, field_layout, &content),
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value: ptr_to_ast(env, field_ptr, field_layout, content),
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region: Region::zero(),
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});
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@ -659,9 +659,9 @@ fn bool_to_ast<'a>(env: &Env<'a, '_>, value: bool, content: &Content) -> Expr<'a
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// and/or records (e.g. { a: { b: { c: True } } }),
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// so we need to do this recursively on the field type.
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let field_var = *field.as_inner();
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let field_content = env.subs.get_without_compacting(field_var).content;
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let field_content = env.subs.get_content_without_compacting(field_var);
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let loc_expr = Located {
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value: bool_to_ast(env, value, &field_content),
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value: bool_to_ast(env, value, field_content),
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region: Region::zero(),
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};
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@ -701,10 +701,10 @@ fn bool_to_ast<'a>(env: &Env<'a, '_>, value: bool, content: &Content) -> Expr<'a
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debug_assert_eq!(payload_vars.len(), 1);
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let var = *payload_vars.iter().next().unwrap();
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let content = env.subs.get_without_compacting(var).content;
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let content = env.subs.get_content_without_compacting(var);
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let loc_payload = &*arena.alloc(Located {
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value: bool_to_ast(env, value, &content),
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value: bool_to_ast(env, value, content),
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region: Region::zero(),
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});
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@ -739,9 +739,9 @@ fn bool_to_ast<'a>(env: &Env<'a, '_>, value: bool, content: &Content) -> Expr<'a
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}
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}
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Alias(_, _, _, var) => {
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let content = env.subs.get_without_compacting(*var).content;
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let content = env.subs.get_content_without_compacting(*var);
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bool_to_ast(env, value, &content)
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bool_to_ast(env, value, content)
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}
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other => {
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unreachable!("Unexpected FlatType {:?} in bool_to_ast", other);
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@ -771,9 +771,9 @@ fn byte_to_ast<'a>(env: &Env<'a, '_>, value: u8, content: &Content) -> Expr<'a>
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// and/or records (e.g. { a: { b: { c: True } } }),
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// so we need to do this recursively on the field type.
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let field_var = *field.as_inner();
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let field_content = env.subs.get_without_compacting(field_var).content;
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let field_content = env.subs.get_content_without_compacting(field_var);
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let loc_expr = Located {
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value: byte_to_ast(env, value, &field_content),
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value: byte_to_ast(env, value, field_content),
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region: Region::zero(),
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};
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@ -813,10 +813,10 @@ fn byte_to_ast<'a>(env: &Env<'a, '_>, value: u8, content: &Content) -> Expr<'a>
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debug_assert_eq!(payload_vars.len(), 1);
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let var = *payload_vars.iter().next().unwrap();
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let content = env.subs.get_without_compacting(var).content;
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let content = env.subs.get_content_without_compacting(var);
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let loc_payload = &*arena.alloc(Located {
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value: byte_to_ast(env, value, &content),
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value: byte_to_ast(env, value, content),
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region: Region::zero(),
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});
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@ -850,9 +850,9 @@ fn byte_to_ast<'a>(env: &Env<'a, '_>, value: u8, content: &Content) -> Expr<'a>
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}
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}
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Alias(_, _, _, var) => {
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let content = env.subs.get_without_compacting(*var).content;
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let content = env.subs.get_content_without_compacting(*var);
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byte_to_ast(env, value, &content)
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byte_to_ast(env, value, content)
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}
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other => {
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unreachable!("Unexpected FlatType {:?} in bool_to_ast", other);
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@ -887,9 +887,9 @@ fn num_to_ast<'a>(env: &Env<'a, '_>, num_expr: Expr<'a>, content: &Content) -> E
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// and/or records (e.g. { a: { b: { c: 5 } } }),
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// so we need to do this recursively on the field type.
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let field_var = *field.as_inner();
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let field_content = env.subs.get_without_compacting(field_var).content;
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let field_content = env.subs.get_content_without_compacting(field_var);
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let loc_expr = Located {
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value: num_to_ast(env, num_expr, &field_content),
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value: num_to_ast(env, num_expr, field_content),
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region: Region::zero(),
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};
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@ -937,10 +937,10 @@ fn num_to_ast<'a>(env: &Env<'a, '_>, num_expr: Expr<'a>, content: &Content) -> E
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debug_assert_eq!(payload_vars.len(), 1);
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||||
let var = *payload_vars.iter().next().unwrap();
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||||
let content = env.subs.get_without_compacting(var).content;
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||||
let content = env.subs.get_content_without_compacting(var);
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||||
|
||||
let loc_payload = &*arena.alloc(Located {
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||||
value: num_to_ast(env, num_expr, &content),
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value: num_to_ast(env, num_expr, content),
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region: Region::zero(),
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});
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@ -955,9 +955,9 @@ fn num_to_ast<'a>(env: &Env<'a, '_>, num_expr: Expr<'a>, content: &Content) -> E
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}
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}
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Alias(_, _, _, var) => {
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let content = env.subs.get_without_compacting(*var).content;
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let content = env.subs.get_content_without_compacting(*var);
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num_to_ast(env, num_expr, &content)
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num_to_ast(env, num_expr, content)
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}
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other => {
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panic!("Unexpected FlatType {:?} in num_to_ast", other);
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|
@ -154,8 +154,8 @@ pub fn gen_and_eval<'a>(
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// pretty-print the expr type string for later.
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name_all_type_vars(main_fn_var, &mut subs);
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let content = subs.get(main_fn_var).content;
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let expr_type_str = content_to_string(content.clone(), &subs, home, &interns);
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let content = subs.get_content_without_compacting(main_fn_var);
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let expr_type_str = content_to_string(content, &subs, home, &interns);
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let (_, main_fn_layout) = match procedures.keys().find(|(s, _)| *s == main_fn_symbol) {
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Some(layout) => *layout,
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@ -227,7 +227,7 @@ pub fn gen_and_eval<'a>(
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lib,
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main_fn_name,
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main_fn_layout,
|
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&content,
|
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content,
|
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&env.interns,
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home,
|
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&subs,
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||||
|
@ -184,10 +184,9 @@ mod test_load {
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expected_types: &mut HashMap<&str, &str>,
|
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) {
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for (symbol, expr_var) in &def.pattern_vars {
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let content = subs.get(*expr_var).content;
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name_all_type_vars(*expr_var, subs);
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|
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let content = subs.get_content_without_compacting(*expr_var);
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let actual_str = content_to_string(content, subs, home, interns);
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let fully_qualified = symbol.fully_qualified(interns, home).to_string();
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let expected_type = expected_types
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|
@ -21,20 +21,14 @@ pub fn infer_borrow<'a>(
|
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procs: &MutMap<(Symbol, ProcLayout<'a>), Proc<'a>>,
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) -> ParamMap<'a> {
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// intern the layouts
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let mut declaration_to_index = MutMap::with_capacity_and_hasher(procs.len(), default_hasher());
|
||||
|
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let mut param_map = {
|
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let mut i = 0;
|
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for key in procs.keys() {
|
||||
declaration_to_index.insert(*key, ParamOffset(i));
|
||||
|
||||
i += key.1.arguments.len();
|
||||
}
|
||||
let (declaration_to_index, total_number_of_params) = DeclarationToIndex::new(arena, procs);
|
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|
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ParamMap {
|
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declaration_to_index,
|
||||
join_points: MutMap::default(),
|
||||
declarations: bumpalo::vec![in arena; Param::EMPTY; i],
|
||||
declarations: bumpalo::vec![in arena; Param::EMPTY; total_number_of_params],
|
||||
}
|
||||
};
|
||||
|
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@ -118,7 +112,7 @@ pub fn infer_borrow<'a>(
|
||||
|
||||
for (key, proc) in procs {
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||||
let symbol = key.0;
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||||
let offset = param_map.declaration_to_index[key];
|
||||
let offset = param_map.get_param_offset(key.0, key.1);
|
||||
|
||||
// the component this symbol is a part of
|
||||
let component = symbol_to_component[&symbol];
|
||||
@ -169,10 +163,71 @@ impl From<ParamOffset> for usize {
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone)]
|
||||
#[derive(Debug)]
|
||||
struct DeclarationToIndex<'a> {
|
||||
elements: Vec<'a, ((Symbol, ProcLayout<'a>), ParamOffset)>,
|
||||
}
|
||||
|
||||
impl<'a> DeclarationToIndex<'a> {
|
||||
fn new(arena: &'a Bump, procs: &MutMap<(Symbol, ProcLayout<'a>), Proc<'a>>) -> (Self, usize) {
|
||||
let mut declaration_to_index = Vec::with_capacity_in(procs.len(), arena);
|
||||
|
||||
let mut i = 0;
|
||||
for key in procs.keys().copied() {
|
||||
declaration_to_index.push((key, ParamOffset(i)));
|
||||
|
||||
i += key.1.arguments.len();
|
||||
}
|
||||
|
||||
declaration_to_index.sort_unstable_by_key(|t| t.0 .0);
|
||||
|
||||
(
|
||||
DeclarationToIndex {
|
||||
elements: declaration_to_index,
|
||||
},
|
||||
i,
|
||||
)
|
||||
}
|
||||
|
||||
fn get_param_offset(
|
||||
&self,
|
||||
needle_symbol: Symbol,
|
||||
needle_layout: ProcLayout<'a>,
|
||||
) -> ParamOffset {
|
||||
if let Ok(middle_index) = self
|
||||
.elements
|
||||
.binary_search_by_key(&needle_symbol, |t| t.0 .0)
|
||||
{
|
||||
// first, iterate backward until we hit a different symbol
|
||||
let backward = self.elements[..middle_index].iter().rev();
|
||||
|
||||
for ((symbol, proc_layout), param_offset) in backward {
|
||||
if *symbol != needle_symbol {
|
||||
break;
|
||||
} else if *proc_layout == needle_layout {
|
||||
return *param_offset;
|
||||
}
|
||||
}
|
||||
|
||||
// if not found, iterate forward until we find our combo
|
||||
let forward = self.elements[middle_index..].iter();
|
||||
|
||||
for ((symbol, proc_layout), param_offset) in forward {
|
||||
if *symbol != needle_symbol {
|
||||
break;
|
||||
} else if *proc_layout == needle_layout {
|
||||
return *param_offset;
|
||||
}
|
||||
}
|
||||
}
|
||||
unreachable!("symbol/layout combo must be in DeclarationToIndex")
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct ParamMap<'a> {
|
||||
/// Map a (Symbol, ProcLayout) pair to the starting index in the `declarations` array
|
||||
declaration_to_index: MutMap<(Symbol, ProcLayout<'a>), ParamOffset>,
|
||||
declaration_to_index: DeclarationToIndex<'a>,
|
||||
/// the parameters of all functions in a single flat array.
|
||||
///
|
||||
/// - the map above gives the index of the first parameter for the function
|
||||
@ -184,11 +239,17 @@ pub struct ParamMap<'a> {
|
||||
}
|
||||
|
||||
impl<'a> ParamMap<'a> {
|
||||
pub fn get_param_offset(&self, symbol: Symbol, layout: ProcLayout<'a>) -> ParamOffset {
|
||||
self.declaration_to_index.get_param_offset(symbol, layout)
|
||||
}
|
||||
|
||||
pub fn get_symbol(&self, symbol: Symbol, layout: ProcLayout<'a>) -> Option<&[Param<'a>]> {
|
||||
let index: usize = self.declaration_to_index[&(symbol, layout)].into();
|
||||
// let index: usize = self.declaration_to_index[&(symbol, layout)].into();
|
||||
let index: usize = self.get_param_offset(symbol, layout).into();
|
||||
|
||||
self.declarations.get(index..index + layout.arguments.len())
|
||||
}
|
||||
|
||||
pub fn get_join_point(&self, id: JoinPointId) -> &'a [Param<'a>] {
|
||||
match self.join_points.get(&id) {
|
||||
Some(slice) => slice,
|
||||
@ -197,7 +258,7 @@ impl<'a> ParamMap<'a> {
|
||||
}
|
||||
|
||||
pub fn iter_symbols(&'a self) -> impl Iterator<Item = &'a Symbol> {
|
||||
self.declaration_to_index.iter().map(|t| &t.0 .0)
|
||||
self.declaration_to_index.elements.iter().map(|t| &t.0 .0)
|
||||
}
|
||||
}
|
||||
|
||||
@ -247,7 +308,7 @@ impl<'a> ParamMap<'a> {
|
||||
return;
|
||||
}
|
||||
|
||||
let index: usize = self.declaration_to_index[&key].into();
|
||||
let index: usize = self.get_param_offset(key.0, key.1).into();
|
||||
|
||||
for (i, param) in Self::init_borrow_args(arena, proc.args)
|
||||
.iter()
|
||||
@ -266,7 +327,7 @@ impl<'a> ParamMap<'a> {
|
||||
proc: &Proc<'a>,
|
||||
key: (Symbol, ProcLayout<'a>),
|
||||
) {
|
||||
let index: usize = self.declaration_to_index[&key].into();
|
||||
let index: usize = self.get_param_offset(key.0, key.1).into();
|
||||
|
||||
for (i, param) in Self::init_borrow_args_always_owned(arena, proc.args)
|
||||
.iter()
|
||||
|
@ -3010,7 +3010,7 @@ pub fn with_hole<'a>(
|
||||
let arena = env.arena;
|
||||
|
||||
debug_assert!(!matches!(
|
||||
env.subs.get_without_compacting(variant_var).content,
|
||||
env.subs.get_content_without_compacting(variant_var),
|
||||
Content::Structure(FlatType::Func(_, _, _))
|
||||
));
|
||||
convert_tag_union(
|
||||
@ -3035,12 +3035,15 @@ pub fn with_hole<'a>(
|
||||
} => {
|
||||
let arena = env.arena;
|
||||
|
||||
let desc = env.subs.get_without_compacting(variant_var);
|
||||
let content = env.subs.get_content_without_compacting(variant_var);
|
||||
|
||||
if let Content::Structure(FlatType::Func(arg_vars, _, ret_var)) = content {
|
||||
let ret_var = *ret_var;
|
||||
let arg_vars = arg_vars.clone();
|
||||
|
||||
if let Content::Structure(FlatType::Func(arg_vars, _, ret_var)) = desc.content {
|
||||
tag_union_to_function(
|
||||
env,
|
||||
arg_vars,
|
||||
&arg_vars,
|
||||
ret_var,
|
||||
tag_name,
|
||||
closure_name,
|
||||
@ -4343,7 +4346,7 @@ fn convert_tag_union<'a>(
|
||||
#[allow(clippy::too_many_arguments)]
|
||||
fn tag_union_to_function<'a>(
|
||||
env: &mut Env<'a, '_>,
|
||||
argument_variables: std::vec::Vec<Variable>,
|
||||
argument_variables: &[Variable],
|
||||
return_variable: Variable,
|
||||
tag_name: TagName,
|
||||
proc_symbol: Symbol,
|
||||
@ -4364,8 +4367,8 @@ fn tag_union_to_function<'a>(
|
||||
|
||||
let loc_expr = Located::at_zero(roc_can::expr::Expr::Var(arg_symbol));
|
||||
|
||||
loc_pattern_args.push((arg_var, loc_pattern));
|
||||
loc_expr_args.push((arg_var, loc_expr));
|
||||
loc_pattern_args.push((*arg_var, loc_pattern));
|
||||
loc_expr_args.push((*arg_var, loc_expr));
|
||||
}
|
||||
|
||||
let loc_body = Located::at_zero(roc_can::expr::Expr::Tag {
|
||||
@ -7395,8 +7398,8 @@ fn from_can_pattern_help<'a>(
|
||||
// TODO these don't match up in the uniqueness inference; when we remove
|
||||
// that, reinstate this assert!
|
||||
//
|
||||
// dbg!(&env.subs.get_without_compacting(*field_var).content);
|
||||
// dbg!(&env.subs.get_without_compacting(destruct.value.var).content);
|
||||
// dbg!(&env.subs.get_content_without_compacting(*field_var));
|
||||
// dbg!(&env.subs.get_content_without_compacting(destruct.var).content);
|
||||
// debug_assert_eq!(
|
||||
// env.subs.get_root_key_without_compacting(*field_var),
|
||||
// env.subs.get_root_key_without_compacting(destruct.value.var)
|
||||
@ -7490,7 +7493,7 @@ pub fn num_argument_to_int_or_float(
|
||||
var: Variable,
|
||||
known_to_be_float: bool,
|
||||
) -> IntOrFloat {
|
||||
match subs.get_without_compacting(var).content {
|
||||
match subs.get_content_without_compacting(var){
|
||||
Content::FlexVar(_) | Content::RigidVar(_) if known_to_be_float => IntOrFloat::BinaryFloatType(FloatPrecision::F64),
|
||||
Content::FlexVar(_) | Content::RigidVar(_) => IntOrFloat::SignedIntType(IntPrecision::I64), // We default (Num *) to I64
|
||||
|
||||
|
@ -36,7 +36,10 @@ pub fn infer_expr(
|
||||
};
|
||||
let (solved, _) = solve::run(&env, problems, subs, constraint);
|
||||
|
||||
let content = solved.inner().get_without_compacting(expr_var).content;
|
||||
let content = solved
|
||||
.inner()
|
||||
.get_content_without_compacting(expr_var)
|
||||
.clone();
|
||||
|
||||
(content, solved.into_inner())
|
||||
}
|
||||
|
@ -528,11 +528,10 @@ fn solve(
|
||||
.get(next_rank)
|
||||
.iter()
|
||||
.filter(|var| {
|
||||
let current = subs.get_without_compacting(
|
||||
roc_types::subs::Variable::clone(var),
|
||||
);
|
||||
let current_rank =
|
||||
subs.get_rank(roc_types::subs::Variable::clone(var));
|
||||
|
||||
current.rank.into_usize() > next_rank.into_usize()
|
||||
current_rank.into_usize() > next_rank.into_usize()
|
||||
})
|
||||
.collect::<Vec<_>>();
|
||||
|
||||
@ -561,8 +560,7 @@ fn solve(
|
||||
let failing: Vec<_> = rigid_vars
|
||||
.iter()
|
||||
.filter(|&var| {
|
||||
!subs.redundant(*var)
|
||||
&& subs.get_without_compacting(*var).rank != Rank::NONE
|
||||
!subs.redundant(*var) && subs.get_rank(*var) != Rank::NONE
|
||||
})
|
||||
.collect();
|
||||
|
||||
|
@ -115,7 +115,7 @@ mod solve_expr {
|
||||
let content = {
|
||||
debug_assert!(exposed_to_host.len() == 1);
|
||||
let (_symbol, variable) = exposed_to_host.into_iter().next().unwrap();
|
||||
subs.get(variable).content
|
||||
subs.get_content_without_compacting(variable)
|
||||
};
|
||||
|
||||
let actual_str = content_to_string(content, subs, home, &interns);
|
||||
|
@ -77,11 +77,11 @@ fn find_names_needed(
|
||||
use crate::subs::FlatType::*;
|
||||
|
||||
while let Some((recursive, _chain)) = subs.occurs(variable) {
|
||||
let content = subs.get_without_compacting(recursive).content;
|
||||
let rec_var = subs.fresh_unnamed_flex_var();
|
||||
let content = subs.get_content_without_compacting(recursive);
|
||||
|
||||
match content {
|
||||
Content::Structure(FlatType::TagUnion(tags, ext_var)) => {
|
||||
let rec_var = subs.fresh_unnamed_flex_var();
|
||||
|
||||
let mut new_tags = MutMap::default();
|
||||
|
||||
for (label, args) in tags {
|
||||
@ -94,7 +94,7 @@ fn find_names_needed(
|
||||
new_tags.insert(label.clone(), new_args);
|
||||
}
|
||||
|
||||
let flat_type = FlatType::RecursiveTagUnion(rec_var, new_tags, ext_var);
|
||||
let flat_type = FlatType::RecursiveTagUnion(rec_var, new_tags, *ext_var);
|
||||
subs.set_content(recursive, Content::Structure(flat_type));
|
||||
}
|
||||
_ => panic!(
|
||||
@ -104,7 +104,7 @@ fn find_names_needed(
|
||||
}
|
||||
}
|
||||
|
||||
match subs.get_without_compacting(variable).content {
|
||||
match &subs.get_content_without_compacting(variable).clone() {
|
||||
RecursionVar { opt_name: None, .. } | FlexVar(None) => {
|
||||
let root = subs.get_root_key_without_compacting(variable);
|
||||
|
||||
@ -133,24 +133,24 @@ fn find_names_needed(
|
||||
|
||||
// User-defined names are already taken.
|
||||
// We must not accidentally generate names that collide with them!
|
||||
names_taken.insert(name);
|
||||
names_taken.insert(name.clone());
|
||||
}
|
||||
RigidVar(name) => {
|
||||
// User-defined names are already taken.
|
||||
// We must not accidentally generate names that collide with them!
|
||||
names_taken.insert(name);
|
||||
names_taken.insert(name.clone());
|
||||
}
|
||||
Structure(Apply(_, args)) => {
|
||||
for var in args {
|
||||
find_names_needed(var, subs, roots, root_appearances, names_taken);
|
||||
find_names_needed(*var, subs, roots, root_appearances, names_taken);
|
||||
}
|
||||
}
|
||||
Structure(Func(arg_vars, _closure_var, ret_var)) => {
|
||||
for var in arg_vars {
|
||||
find_names_needed(var, subs, roots, root_appearances, names_taken);
|
||||
find_names_needed(*var, subs, roots, root_appearances, names_taken);
|
||||
}
|
||||
|
||||
find_names_needed(ret_var, subs, roots, root_appearances, names_taken);
|
||||
find_names_needed(*ret_var, subs, roots, root_appearances, names_taken);
|
||||
}
|
||||
Structure(Record(fields, ext_var)) => {
|
||||
let mut sorted_fields: Vec<_> = fields.iter().collect();
|
||||
@ -167,7 +167,7 @@ fn find_names_needed(
|
||||
);
|
||||
}
|
||||
|
||||
find_names_needed(ext_var, subs, roots, root_appearances, names_taken);
|
||||
find_names_needed(*ext_var, subs, roots, root_appearances, names_taken);
|
||||
}
|
||||
Structure(TagUnion(tags, ext_var)) => {
|
||||
let mut sorted_tags: Vec<_> = tags.iter().collect();
|
||||
@ -177,10 +177,10 @@ fn find_names_needed(
|
||||
find_names_needed(*var, subs, roots, root_appearances, names_taken);
|
||||
}
|
||||
|
||||
find_names_needed(ext_var, subs, roots, root_appearances, names_taken);
|
||||
find_names_needed(*ext_var, subs, roots, root_appearances, names_taken);
|
||||
}
|
||||
Structure(FunctionOrTagUnion(_, _, ext_var)) => {
|
||||
find_names_needed(ext_var, subs, roots, root_appearances, names_taken);
|
||||
find_names_needed(*ext_var, subs, roots, root_appearances, names_taken);
|
||||
}
|
||||
Structure(RecursiveTagUnion(rec_var, tags, ext_var)) => {
|
||||
let mut sorted_tags: Vec<_> = tags.iter().collect();
|
||||
@ -190,12 +190,12 @@ fn find_names_needed(
|
||||
find_names_needed(*var, subs, roots, root_appearances, names_taken);
|
||||
}
|
||||
|
||||
find_names_needed(ext_var, subs, roots, root_appearances, names_taken);
|
||||
find_names_needed(rec_var, subs, roots, root_appearances, names_taken);
|
||||
find_names_needed(*ext_var, subs, roots, root_appearances, names_taken);
|
||||
find_names_needed(*rec_var, subs, roots, root_appearances, names_taken);
|
||||
}
|
||||
Alias(_symbol, args, _, _actual) => {
|
||||
for (_, var) in args {
|
||||
find_names_needed(var, subs, roots, root_appearances, names_taken);
|
||||
find_names_needed(*var, subs, roots, root_appearances, names_taken);
|
||||
}
|
||||
// TODO should we also look in the actual variable?
|
||||
// find_names_needed(_actual, subs, roots, root_appearances, names_taken);
|
||||
@ -240,22 +240,22 @@ fn name_root(
|
||||
fn set_root_name(root: Variable, name: Lowercase, subs: &mut Subs) {
|
||||
use crate::subs::Content::*;
|
||||
|
||||
let mut descriptor = subs.get_without_compacting(root);
|
||||
let old_content = subs.get_content_without_compacting(root);
|
||||
|
||||
match descriptor.content {
|
||||
match old_content {
|
||||
FlexVar(None) => {
|
||||
descriptor.content = FlexVar(Some(name));
|
||||
subs.set(root, descriptor);
|
||||
let content = FlexVar(Some(name));
|
||||
subs.set_content(root, content);
|
||||
}
|
||||
RecursionVar {
|
||||
opt_name: None,
|
||||
structure,
|
||||
} => {
|
||||
descriptor.content = RecursionVar {
|
||||
structure,
|
||||
let content = RecursionVar {
|
||||
structure: *structure,
|
||||
opt_name: Some(name),
|
||||
};
|
||||
subs.set(root, descriptor);
|
||||
subs.set_content(root, content);
|
||||
}
|
||||
RecursionVar {
|
||||
opt_name: Some(_existing),
|
||||
@ -270,7 +270,7 @@ fn set_root_name(root: Variable, name: Lowercase, subs: &mut Subs) {
|
||||
}
|
||||
|
||||
pub fn content_to_string(
|
||||
content: Content,
|
||||
content: &Content,
|
||||
subs: &Subs,
|
||||
home: ModuleId,
|
||||
interns: &Interns,
|
||||
@ -283,7 +283,7 @@ pub fn content_to_string(
|
||||
buf
|
||||
}
|
||||
|
||||
fn write_content(env: &Env, content: Content, subs: &Subs, buf: &mut String, parens: Parens) {
|
||||
fn write_content(env: &Env, content: &Content, subs: &Subs, buf: &mut String, parens: Parens) {
|
||||
use crate::subs::Content::*;
|
||||
|
||||
match content {
|
||||
@ -298,14 +298,14 @@ fn write_content(env: &Env, content: Content, subs: &Subs, buf: &mut String, par
|
||||
Alias(symbol, args, _, _actual) => {
|
||||
let write_parens = parens == Parens::InTypeParam && !args.is_empty();
|
||||
|
||||
match symbol {
|
||||
match *symbol {
|
||||
Symbol::NUM_NUM => {
|
||||
debug_assert_eq!(args.len(), 1);
|
||||
|
||||
let (_, arg_var) = args
|
||||
.get(0)
|
||||
.expect("Num was not applied to a type argument!");
|
||||
let content = subs.get_without_compacting(*arg_var).content;
|
||||
let content = subs.get_content_without_compacting(*arg_var);
|
||||
|
||||
match &content {
|
||||
Alias(nested, _, _, _) => match *nested {
|
||||
@ -326,13 +326,13 @@ fn write_content(env: &Env, content: Content, subs: &Subs, buf: &mut String, par
|
||||
}
|
||||
|
||||
_ => write_parens!(write_parens, buf, {
|
||||
write_symbol(env, symbol, buf);
|
||||
write_symbol(env, *symbol, buf);
|
||||
|
||||
for (_, var) in args {
|
||||
buf.push(' ');
|
||||
write_content(
|
||||
env,
|
||||
subs.get_without_compacting(var).content,
|
||||
subs.get_content_without_compacting(*var),
|
||||
subs,
|
||||
buf,
|
||||
Parens::InTypeParam,
|
||||
@ -342,7 +342,7 @@ fn write_content(env: &Env, content: Content, subs: &Subs, buf: &mut String, par
|
||||
// useful for debugging
|
||||
if false {
|
||||
buf.push_str("[[ but really ");
|
||||
let content = subs.get_without_compacting(_actual).content;
|
||||
let content = subs.get_content_without_compacting(*_actual);
|
||||
write_content(env, content, subs, buf, parens);
|
||||
buf.push_str("]]");
|
||||
}
|
||||
@ -353,19 +353,74 @@ fn write_content(env: &Env, content: Content, subs: &Subs, buf: &mut String, par
|
||||
}
|
||||
}
|
||||
|
||||
fn write_flat_type(env: &Env, flat_type: FlatType, subs: &Subs, buf: &mut String, parens: Parens) {
|
||||
fn write_sorted_tags<'a>(
|
||||
env: &Env,
|
||||
subs: &'a Subs,
|
||||
buf: &mut String,
|
||||
tags: &MutMap<TagName, Vec<Variable>>,
|
||||
ext_var: Variable,
|
||||
) -> Result<(), (Variable, &'a Content)> {
|
||||
// Sort the fields so they always end up in the same order.
|
||||
let mut sorted_fields = Vec::with_capacity(tags.len());
|
||||
|
||||
for (label, vars) in tags {
|
||||
sorted_fields.push((label, vars));
|
||||
}
|
||||
|
||||
// If the `ext` contains tags, merge them into the list of tags.
|
||||
// this can occur when inferring mutually recursive tags
|
||||
let mut from_ext = Default::default();
|
||||
let ext_content = chase_ext_tag_union(subs, ext_var, &mut from_ext);
|
||||
|
||||
for (tag_name, arguments) in from_ext.iter() {
|
||||
sorted_fields.push((tag_name, arguments));
|
||||
}
|
||||
|
||||
let interns = &env.interns;
|
||||
let home = env.home;
|
||||
|
||||
sorted_fields
|
||||
.sort_by(|(a, _), (b, _)| a.as_string(interns, home).cmp(&b.as_string(interns, home)));
|
||||
|
||||
let mut any_written_yet = false;
|
||||
|
||||
for (label, vars) in sorted_fields {
|
||||
if any_written_yet {
|
||||
buf.push_str(", ");
|
||||
} else {
|
||||
any_written_yet = true;
|
||||
}
|
||||
|
||||
buf.push_str(&label.as_string(interns, home));
|
||||
|
||||
for var in vars {
|
||||
buf.push(' ');
|
||||
write_content(
|
||||
env,
|
||||
subs.get_content_without_compacting(*var),
|
||||
subs,
|
||||
buf,
|
||||
Parens::InTypeParam,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
ext_content
|
||||
}
|
||||
|
||||
fn write_flat_type(env: &Env, flat_type: &FlatType, subs: &Subs, buf: &mut String, parens: Parens) {
|
||||
use crate::subs::FlatType::*;
|
||||
|
||||
match flat_type {
|
||||
Apply(symbol, args) => write_apply(env, symbol, args, subs, buf, parens),
|
||||
Apply(symbol, args) => write_apply(env, *symbol, args, subs, buf, parens),
|
||||
EmptyRecord => buf.push_str(EMPTY_RECORD),
|
||||
EmptyTagUnion => buf.push_str(EMPTY_TAG_UNION),
|
||||
Func(args, _closure, ret) => write_fn(env, args, ret, subs, buf, parens),
|
||||
Func(args, _closure, ret) => write_fn(env, args, *ret, subs, buf, parens),
|
||||
Record(fields, ext_var) => {
|
||||
use crate::types::{gather_fields, RecordStructure};
|
||||
|
||||
// If the `ext` has concrete fields (e.g. { foo : I64}{ bar : Bool }), merge them
|
||||
let RecordStructure { fields, ext } = gather_fields(subs, fields, ext_var);
|
||||
let RecordStructure { fields, ext } = gather_fields(subs, fields, *ext_var);
|
||||
let ext_var = ext;
|
||||
|
||||
if fields.is_empty() {
|
||||
@ -408,7 +463,7 @@ fn write_flat_type(env: &Env, flat_type: FlatType, subs: &Subs, buf: &mut String
|
||||
|
||||
write_content(
|
||||
env,
|
||||
subs.get_without_compacting(var).content,
|
||||
subs.get_content_without_compacting(var),
|
||||
subs,
|
||||
buf,
|
||||
Parens::Unnecessary,
|
||||
@ -418,7 +473,7 @@ fn write_flat_type(env: &Env, flat_type: FlatType, subs: &Subs, buf: &mut String
|
||||
buf.push_str(" }");
|
||||
}
|
||||
|
||||
match subs.get_without_compacting(ext_var).content {
|
||||
match subs.get_content_without_compacting(ext_var) {
|
||||
Content::Structure(EmptyRecord) => {
|
||||
// This is a closed record. We're done!
|
||||
}
|
||||
@ -433,50 +488,9 @@ fn write_flat_type(env: &Env, flat_type: FlatType, subs: &Subs, buf: &mut String
|
||||
}
|
||||
}
|
||||
TagUnion(tags, ext_var) => {
|
||||
let interns = &env.interns;
|
||||
let home = env.home;
|
||||
|
||||
buf.push_str("[ ");
|
||||
|
||||
// Sort the fields so they always end up in the same order.
|
||||
let mut sorted_fields = Vec::with_capacity(tags.len());
|
||||
|
||||
for (label, vars) in tags {
|
||||
sorted_fields.push((label.clone(), vars));
|
||||
}
|
||||
|
||||
// If the `ext` contains tags, merge them into the list of tags.
|
||||
// this can occur when inferring mutually recursive tags
|
||||
let ext_content = chase_ext_tag_union(subs, ext_var, &mut sorted_fields);
|
||||
|
||||
sorted_fields.sort_by(|(a, _), (b, _)| {
|
||||
a.clone()
|
||||
.as_string(interns, home)
|
||||
.cmp(&b.as_string(interns, home))
|
||||
});
|
||||
|
||||
let mut any_written_yet = false;
|
||||
|
||||
for (label, vars) in sorted_fields {
|
||||
if any_written_yet {
|
||||
buf.push_str(", ");
|
||||
} else {
|
||||
any_written_yet = true;
|
||||
}
|
||||
|
||||
buf.push_str(&label.as_string(interns, home));
|
||||
|
||||
for var in vars {
|
||||
buf.push(' ');
|
||||
write_content(
|
||||
env,
|
||||
subs.get_without_compacting(var).content,
|
||||
subs,
|
||||
buf,
|
||||
Parens::InTypeParam,
|
||||
);
|
||||
}
|
||||
}
|
||||
let ext_content = write_sorted_tags(env, subs, buf, tags, *ext_var);
|
||||
|
||||
buf.push_str(" ]");
|
||||
|
||||
@ -491,17 +505,14 @@ fn write_flat_type(env: &Env, flat_type: FlatType, subs: &Subs, buf: &mut String
|
||||
}
|
||||
|
||||
FunctionOrTagUnion(tag_name, _, ext_var) => {
|
||||
let interns = &env.interns;
|
||||
let home = env.home;
|
||||
|
||||
buf.push_str("[ ");
|
||||
|
||||
buf.push_str(&tag_name.as_string(interns, home));
|
||||
let mut tags = MutMap::default();
|
||||
tags.insert(tag_name.clone(), vec![]);
|
||||
let ext_content = write_sorted_tags(env, subs, buf, &tags, *ext_var);
|
||||
|
||||
buf.push_str(" ]");
|
||||
|
||||
let mut sorted_fields = vec![(tag_name, vec![])];
|
||||
let ext_content = chase_ext_tag_union(subs, ext_var, &mut sorted_fields);
|
||||
if let Err((_, content)) = ext_content {
|
||||
// This is an open tag union, so print the variable
|
||||
// right after the ']'
|
||||
@ -513,45 +524,9 @@ fn write_flat_type(env: &Env, flat_type: FlatType, subs: &Subs, buf: &mut String
|
||||
}
|
||||
|
||||
RecursiveTagUnion(rec_var, tags, ext_var) => {
|
||||
let interns = &env.interns;
|
||||
let home = env.home;
|
||||
|
||||
buf.push_str("[ ");
|
||||
|
||||
// Sort the fields so they always end up in the same order.
|
||||
let mut sorted_fields = Vec::with_capacity(tags.len());
|
||||
|
||||
for (label, vars) in tags {
|
||||
sorted_fields.push((label.clone(), vars));
|
||||
}
|
||||
|
||||
// If the `ext` contains tags, merge them into the list of tags.
|
||||
// this can occur when inferring mutually recursive tags
|
||||
let ext_content = chase_ext_tag_union(subs, ext_var, &mut sorted_fields);
|
||||
|
||||
sorted_fields.sort_by(|(a, _), (b, _)| a.cmp(b));
|
||||
|
||||
let mut any_written_yet = false;
|
||||
|
||||
for (label, vars) in sorted_fields {
|
||||
if any_written_yet {
|
||||
buf.push_str(", ");
|
||||
} else {
|
||||
any_written_yet = true;
|
||||
}
|
||||
buf.push_str(&label.as_string(interns, home));
|
||||
|
||||
for var in vars {
|
||||
buf.push(' ');
|
||||
write_content(
|
||||
env,
|
||||
subs.get_without_compacting(var).content,
|
||||
subs,
|
||||
buf,
|
||||
Parens::InTypeParam,
|
||||
);
|
||||
}
|
||||
}
|
||||
let ext_content = write_sorted_tags(env, subs, buf, tags, *ext_var);
|
||||
|
||||
buf.push_str(" ]");
|
||||
|
||||
@ -567,7 +542,7 @@ fn write_flat_type(env: &Env, flat_type: FlatType, subs: &Subs, buf: &mut String
|
||||
buf.push_str(" as ");
|
||||
write_content(
|
||||
env,
|
||||
subs.get_without_compacting(rec_var).content,
|
||||
subs.get_content_without_compacting(*rec_var),
|
||||
subs,
|
||||
buf,
|
||||
parens,
|
||||
@ -579,11 +554,11 @@ fn write_flat_type(env: &Env, flat_type: FlatType, subs: &Subs, buf: &mut String
|
||||
}
|
||||
}
|
||||
|
||||
pub fn chase_ext_tag_union(
|
||||
subs: &Subs,
|
||||
pub fn chase_ext_tag_union<'a>(
|
||||
subs: &'a Subs,
|
||||
var: Variable,
|
||||
fields: &mut Vec<(TagName, Vec<Variable>)>,
|
||||
) -> Result<(), (Variable, Content)> {
|
||||
) -> Result<(), (Variable, &'a Content)> {
|
||||
use FlatType::*;
|
||||
match subs.get_content_without_compacting(var) {
|
||||
Content::Structure(EmptyTagUnion) => Ok(()),
|
||||
@ -602,7 +577,7 @@ pub fn chase_ext_tag_union(
|
||||
}
|
||||
Content::Alias(_, _, _, var) => chase_ext_tag_union(subs, *var, fields),
|
||||
|
||||
content => Err((var, content.clone())),
|
||||
content => Err((var, content)),
|
||||
}
|
||||
}
|
||||
|
||||
@ -614,25 +589,27 @@ pub fn chase_ext_record(
|
||||
use crate::subs::Content::*;
|
||||
use crate::subs::FlatType::*;
|
||||
|
||||
match subs.get_without_compacting(var).content {
|
||||
match subs.get_content_without_compacting(var) {
|
||||
Structure(Record(sub_fields, sub_ext)) => {
|
||||
fields.extend(sub_fields.into_iter());
|
||||
for (field_name, record_field) in sub_fields {
|
||||
fields.insert(field_name.clone(), *record_field);
|
||||
}
|
||||
|
||||
chase_ext_record(subs, sub_ext, fields)
|
||||
chase_ext_record(subs, *sub_ext, fields)
|
||||
}
|
||||
|
||||
Structure(EmptyRecord) => Ok(()),
|
||||
|
||||
Alias(_, _, _, var) => chase_ext_record(subs, var, fields),
|
||||
Alias(_, _, _, var) => chase_ext_record(subs, *var, fields),
|
||||
|
||||
content => Err((var, content)),
|
||||
content => Err((var, content.clone())),
|
||||
}
|
||||
}
|
||||
|
||||
fn write_apply(
|
||||
env: &Env,
|
||||
symbol: Symbol,
|
||||
args: Vec<Variable>,
|
||||
args: &[Variable],
|
||||
subs: &Subs,
|
||||
buf: &mut String,
|
||||
parens: Parens,
|
||||
@ -646,10 +623,10 @@ fn write_apply(
|
||||
}
|
||||
Symbol::NUM_NUM => {
|
||||
let arg = args
|
||||
.into_iter()
|
||||
.iter()
|
||||
.next()
|
||||
.unwrap_or_else(|| panic!("Num did not have any type parameters somehow."));
|
||||
let arg_content = subs.get_without_compacting(arg).content;
|
||||
let arg_content = subs.get_content_without_compacting(*arg);
|
||||
let mut arg_param = String::new();
|
||||
|
||||
let mut default_case = |subs, content| {
|
||||
@ -690,7 +667,7 @@ fn write_apply(
|
||||
buf.push(' ');
|
||||
write_content(
|
||||
env,
|
||||
subs.get_without_compacting(arg).content,
|
||||
subs.get_content_without_compacting(*arg),
|
||||
subs,
|
||||
buf,
|
||||
Parens::InTypeParam,
|
||||
@ -706,7 +683,7 @@ fn write_apply(
|
||||
|
||||
fn write_fn(
|
||||
env: &Env,
|
||||
args: Vec<Variable>,
|
||||
args: &[Variable],
|
||||
ret: Variable,
|
||||
subs: &Subs,
|
||||
buf: &mut String,
|
||||
@ -728,7 +705,7 @@ fn write_fn(
|
||||
|
||||
write_content(
|
||||
env,
|
||||
subs.get_without_compacting(arg).content,
|
||||
subs.get_content_without_compacting(*arg),
|
||||
subs,
|
||||
buf,
|
||||
Parens::InFn,
|
||||
@ -738,7 +715,7 @@ fn write_fn(
|
||||
buf.push_str(" -> ");
|
||||
write_content(
|
||||
env,
|
||||
subs.get_without_compacting(ret).content,
|
||||
subs.get_content_without_compacting(ret),
|
||||
subs,
|
||||
buf,
|
||||
Parens::InFn,
|
||||
|
@ -990,7 +990,7 @@ impl Content {
|
||||
|
||||
eprintln!(
|
||||
"{}",
|
||||
crate::pretty_print::content_to_string(self.clone(), subs, home, &interns)
|
||||
crate::pretty_print::content_to_string(&self, subs, home, &interns)
|
||||
);
|
||||
|
||||
self
|
||||
@ -1031,7 +1031,7 @@ fn occurs(
|
||||
if seen.contains(&root_var) {
|
||||
Some((root_var, vec![]))
|
||||
} else {
|
||||
match subs.get_without_compacting(root_var).content {
|
||||
match subs.get_content_without_compacting(root_var) {
|
||||
FlexVar(_) | RigidVar(_) | RecursionVar { .. } | Error => None,
|
||||
|
||||
Structure(flat_type) => {
|
||||
@ -1042,14 +1042,14 @@ fn occurs(
|
||||
match flat_type {
|
||||
Apply(_, args) => short_circuit(subs, root_var, &new_seen, args.iter()),
|
||||
Func(arg_vars, closure_var, ret_var) => {
|
||||
let it = once(&ret_var)
|
||||
.chain(once(&closure_var))
|
||||
let it = once(ret_var)
|
||||
.chain(once(closure_var))
|
||||
.chain(arg_vars.iter());
|
||||
short_circuit(subs, root_var, &new_seen, it)
|
||||
}
|
||||
Record(vars_by_field, ext_var) => {
|
||||
let it =
|
||||
once(&ext_var).chain(vars_by_field.values().map(|field| match field {
|
||||
once(ext_var).chain(vars_by_field.values().map(|field| match field {
|
||||
RecordField::Optional(var) => var,
|
||||
RecordField::Required(var) => var,
|
||||
RecordField::Demanded(var) => var,
|
||||
@ -1057,22 +1057,22 @@ fn occurs(
|
||||
short_circuit(subs, root_var, &new_seen, it)
|
||||
}
|
||||
TagUnion(tags, ext_var) => {
|
||||
let it = once(&ext_var).chain(tags.values().flatten());
|
||||
let it = once(ext_var).chain(tags.values().flatten());
|
||||
short_circuit(subs, root_var, &new_seen, it)
|
||||
}
|
||||
FunctionOrTagUnion(_, _, ext_var) => {
|
||||
let it = once(&ext_var);
|
||||
let it = once(ext_var);
|
||||
short_circuit(subs, root_var, &new_seen, it)
|
||||
}
|
||||
RecursiveTagUnion(_rec_var, tags, ext_var) => {
|
||||
// TODO rec_var is excluded here, verify that this is correct
|
||||
let it = once(&ext_var).chain(tags.values().flatten());
|
||||
let it = once(ext_var).chain(tags.values().flatten());
|
||||
short_circuit(subs, root_var, &new_seen, it)
|
||||
}
|
||||
EmptyRecord | EmptyTagUnion | Erroneous(_) => None,
|
||||
}
|
||||
}
|
||||
Alias(symbol, type_arguments, lambda_set_variables, _) => {
|
||||
Alias(_, type_arguments, lambda_set_variables, _) => {
|
||||
let mut new_seen = seen.clone();
|
||||
new_seen.insert(root_var);
|
||||
|
||||
|
@ -1,7 +1,7 @@
|
||||
use crate::pretty_print::Parens;
|
||||
use crate::subs::{Subs, VarStore, Variable};
|
||||
use inlinable_string::InlinableString;
|
||||
use roc_collections::all::{union, ImMap, ImSet, Index, MutMap, MutSet, SendMap};
|
||||
use roc_collections::all::{ImMap, ImSet, Index, MutMap, MutSet, SendMap};
|
||||
use roc_module::ident::{ForeignSymbol, Ident, Lowercase, TagName};
|
||||
use roc_module::low_level::LowLevel;
|
||||
use roc_module::symbol::{Interns, ModuleId, Symbol};
|
||||
@ -1595,22 +1595,35 @@ pub fn name_type_var(letters_used: u32, taken: &mut MutSet<Lowercase>) -> (Lower
|
||||
|
||||
pub fn gather_fields(
|
||||
subs: &Subs,
|
||||
fields: MutMap<Lowercase, RecordField<Variable>>,
|
||||
var: Variable,
|
||||
other_fields: &MutMap<Lowercase, RecordField<Variable>>,
|
||||
mut var: Variable,
|
||||
) -> RecordStructure {
|
||||
use crate::subs::Content::*;
|
||||
use crate::subs::FlatType::*;
|
||||
|
||||
match subs.get_without_compacting(var).content {
|
||||
Structure(Record(sub_fields, sub_ext)) => {
|
||||
gather_fields(subs, union(fields, &sub_fields), sub_ext)
|
||||
}
|
||||
let mut result = other_fields.clone();
|
||||
|
||||
Alias(_, _, _, var) => {
|
||||
// TODO according to elm/compiler: "TODO may be dropping useful alias info here"
|
||||
gather_fields(subs, fields, var)
|
||||
}
|
||||
loop {
|
||||
match subs.get_content_without_compacting(var) {
|
||||
Structure(Record(sub_fields, sub_ext)) => {
|
||||
for (lowercase, record_field) in sub_fields {
|
||||
result.insert(lowercase.clone(), *record_field);
|
||||
}
|
||||
|
||||
_ => RecordStructure { fields, ext: var },
|
||||
var = *sub_ext;
|
||||
}
|
||||
|
||||
Alias(_, _, _, actual_var) => {
|
||||
// TODO according to elm/compiler: "TODO may be dropping useful alias info here"
|
||||
var = *actual_var;
|
||||
}
|
||||
|
||||
_ => break,
|
||||
}
|
||||
}
|
||||
|
||||
RecordStructure {
|
||||
fields: result,
|
||||
ext: var,
|
||||
}
|
||||
}
|
||||
|
@ -995,8 +995,8 @@ fn unify_flat_type(
|
||||
}
|
||||
|
||||
(Record(fields1, ext1), Record(fields2, ext2)) => {
|
||||
let rec1 = gather_fields(subs, fields1.clone(), *ext1);
|
||||
let rec2 = gather_fields(subs, fields2.clone(), *ext2);
|
||||
let rec1 = gather_fields(subs, fields1, *ext1);
|
||||
let rec2 = gather_fields(subs, fields2, *ext2);
|
||||
|
||||
unify_record(subs, pool, ctx, rec1, rec2)
|
||||
}
|
||||
|
@ -272,7 +272,7 @@ impl<'a> EdModel<'a> {
|
||||
|
||||
let subs = solved.inner_mut();
|
||||
|
||||
let content = subs.get(var).content;
|
||||
let content = subs.get_content_without_compacting(var);
|
||||
|
||||
PoolStr::new(
|
||||
&content_to_string(content, subs, self.module.env.home, self.interns),
|
||||
|
@ -57,7 +57,7 @@ pub fn constrain_expr<'a>(
|
||||
Expr2::Blank => True,
|
||||
Expr2::EmptyRecord => constrain_empty_record(expected, region),
|
||||
Expr2::Var(symbol) => Lookup(*symbol, expected, region),
|
||||
Expr2::SmallInt { var, .. } => {
|
||||
Expr2::SmallInt { var, .. } | Expr2::I128 { var, .. } | Expr2::U128 { var, .. } => {
|
||||
let mut flex_vars = BumpVec::with_capacity_in(1, arena);
|
||||
|
||||
flex_vars.push(*var);
|
||||
@ -910,7 +910,57 @@ pub fn constrain_expr<'a>(
|
||||
|
||||
exists(arena, flex_vars, And(cons))
|
||||
}
|
||||
_ => todo!("implement constraints for {:?}", expr),
|
||||
|
||||
Expr2::RunLowLevel { op, args, ret_var } => {
|
||||
// This is a modified version of what we do for function calls.
|
||||
|
||||
// The operation's return type
|
||||
let ret_type = Type2::Variable(*ret_var);
|
||||
|
||||
// This will be used in the occurs check
|
||||
let mut vars = BumpVec::with_capacity_in(1 + args.len(), arena);
|
||||
|
||||
vars.push(*ret_var);
|
||||
|
||||
let mut arg_types = BumpVec::with_capacity_in(args.len(), arena);
|
||||
let mut arg_cons = BumpVec::with_capacity_in(args.len(), arena);
|
||||
|
||||
for (index, node_id) in args.iter_node_ids().enumerate() {
|
||||
let (arg_var, arg_id) = env.pool.get(node_id);
|
||||
|
||||
vars.push(*arg_var);
|
||||
|
||||
let arg_type = Type2::Variable(*arg_var);
|
||||
|
||||
let reason = Reason::LowLevelOpArg {
|
||||
op: *op,
|
||||
arg_index: Index::zero_based(index),
|
||||
};
|
||||
let expected_arg =
|
||||
Expected::ForReason(reason, arg_type.shallow_clone(), Region::zero());
|
||||
let arg = env.pool.get(*arg_id);
|
||||
|
||||
let arg_con = constrain_expr(arena, env, arg, expected_arg, Region::zero());
|
||||
|
||||
arg_types.push(arg_type);
|
||||
arg_cons.push(arg_con);
|
||||
}
|
||||
|
||||
let category = Category::LowLevelOpResult(*op);
|
||||
|
||||
let mut and_constraints = BumpVec::with_capacity_in(2, arena);
|
||||
|
||||
and_constraints.push(And(arg_cons));
|
||||
and_constraints.push(Eq(ret_type, expected, category, region));
|
||||
|
||||
exists(arena, vars, And(and_constraints))
|
||||
}
|
||||
Expr2::RuntimeError() => True,
|
||||
Expr2::Closure { .. } => todo!(),
|
||||
Expr2::PrivateTag { .. } => todo!(),
|
||||
Expr2::InvalidLookup(_) => todo!(),
|
||||
Expr2::LetRec { .. } => todo!(),
|
||||
Expr2::LetFunction { .. } => todo!(),
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -565,11 +565,10 @@ fn solve<'a>(
|
||||
.get(next_rank)
|
||||
.iter()
|
||||
.filter(|var| {
|
||||
let current = subs.get_without_compacting(
|
||||
roc_types::subs::Variable::clone(var),
|
||||
);
|
||||
let current_rank =
|
||||
subs.get_rank(roc_types::subs::Variable::clone(var));
|
||||
|
||||
current.rank.into_usize() > next_rank.into_usize()
|
||||
current_rank.into_usize() > next_rank.into_usize()
|
||||
})
|
||||
.collect::<Vec<_>>();
|
||||
|
||||
@ -598,8 +597,7 @@ fn solve<'a>(
|
||||
let failing: Vec<_> = rigid_vars
|
||||
.iter()
|
||||
.filter(|&var| {
|
||||
!subs.redundant(*var)
|
||||
&& subs.get_without_compacting(*var).rank != Rank::NONE
|
||||
!subs.redundant(*var) && subs.get_rank(*var) != Rank::NONE
|
||||
})
|
||||
.collect();
|
||||
|
||||
|
@ -114,7 +114,7 @@ fn infer_eq(actual: &str, expected_str: &str) {
|
||||
|
||||
let subs = solved.inner_mut();
|
||||
|
||||
let content = subs.get(var).content;
|
||||
let content = subs.get_content_without_compacting(var);
|
||||
|
||||
let interns = Interns {
|
||||
module_ids: env.module_ids.clone(),
|
||||
@ -328,3 +328,16 @@ fn constrain_update() {
|
||||
"{ name : Str }",
|
||||
)
|
||||
}
|
||||
|
||||
#[ignore = "TODO: implement builtins in the editor"]
|
||||
#[test]
|
||||
fn constrain_run_low_level() {
|
||||
infer_eq(
|
||||
indoc!(
|
||||
r#"
|
||||
List.map [ { name: "roc" }, { name: "bird" } ] .name
|
||||
"#
|
||||
),
|
||||
"List Str",
|
||||
)
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user