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Report list element pattern type mismatches

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This commit is contained in:
Ayaz Hafiz 2022-10-31 17:01:19 -05:00
parent 283f6e8e1e
commit f9cb71fcf7
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1 changed files with 28 additions and 1 deletions
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29
crates/reporting/src/error/type.rs
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@ -1945,7 +1945,34 @@ fn to_pattern_report<'b>(
severity: Severity::RuntimeError,
}
}
PReason::TagArg { .. } | PReason::PatternGuard | PReason::ListElem => {
PReason::ListElem => {
let doc = alloc.stack([
alloc.concat([alloc.reflow("This list element doesn't match the types of other elements in the pattern:")]),
alloc.region(lines.convert_region(region)),
pattern_type_comparison(
alloc,
found,
expected_type,
add_pattern_category(
alloc,
alloc.text("It matches"),
&category,
),
alloc.concat([
alloc.text("But the other elements in this list pattern match")
]),
vec![],
),
]);
Report {
filename,
title: "TYPE MISMATCH".to_string(),
doc,
severity: Severity::RuntimeError,
}
}
PReason::TagArg { .. } | PReason::PatternGuard => {
internal_error!("We didn't think this could trigger. Please tell us about it on Zulip if it does!")
}
},