From 0e00cbc4229403fb85945893ce7f6832e2696f9f Mon Sep 17 00:00:00 2001
From: collin <collin.chin@berkeley.edu>
Date: Mon, 10 Aug 2020 15:51:39 -0700
Subject: [PATCH] clean up comments

---
 ast/src/leo.pest                              | 23 +++++-------
 ast/src/statements/mod.rs                     |  3 --
 .../multiple_assignment_statement.rs          | 36 -------------------
 3 files changed, 8 insertions(+), 54 deletions(-)
 delete mode 100644 ast/src/statements/multiple_assignment_statement.rs

diff --git a/ast/src/leo.pest b/ast/src/leo.pest
index 5f109eab60..260f83f87d 100644
--- a/ast/src/leo.pest
+++ b/ast/src/leo.pest
@@ -69,16 +69,10 @@ static_ = { "static " }
 // Declared in common/variable_name.rs
 
 variable_name = {mutable? ~ identifier}
-variable_name_list = _{"(" ~ variable_name ~ ("," ~ variable_name)+ ~ ")"}
-
-// Declared in
-
-// Declared in common/variable.rs
-// variable = { mutable? ~ identifier ~ (":" ~ type_)? }
-// variable_list = _{ variable ~ ("," ~ variable)* }
+variable_name_tuple = _{"(" ~ variable_name ~ ("," ~ variable_name)+ ~ ")"}
 
 // Declared in common/variables.rs
-variables = { ( variable_name_list | variable_name ) ~ (":" ~ ( type_list | type_ ))? }
+variables = { ( variable_name_tuple | variable_name ) ~ (":" ~ ( type_tuple | type_ ))? }
 
 // Declared in common/declare.rs
 declare = { let_ | const_ }
@@ -203,7 +197,7 @@ type_circuit = { identifier }
 // Declared in types/array_type.rs
 type_array = { type_data ~ ("[" ~ number_positive ~ "]")+ }
 
-type_list = _{ "(" ~ type_ ~ ("," ~ type_)+ ~ ")" }
+type_tuple = _{ "(" ~ type_ ~ ("," ~ type_)+ ~ ")" }
 
 /// Values
 
@@ -264,7 +258,7 @@ access_array = !{ "[" ~ range_or_expression ~ "]" }
 access_assignee = { access_array | access_member }
 
 // Declared in access/call_access.rs
-access_call = !{ expression_list }
+access_call = !{ expression_tuple }
 
 // Declared in access/member_access.rs
 access_member = ${ "." ~ identifier }
@@ -310,7 +304,7 @@ expression_term = {
 
 // Declared in expressions/expression.rs
 expression = { expression_term ~ (operation_binary ~ expression_term)* }
-expression_list = _{ "(" ~ (expression ~ ("," ~ expression)*)? ~ ")" }
+expression_tuple = _{ "(" ~ (expression ~ ("," ~ expression)*)? ~ ")" }
 
 // Declared in expressions/array_initializer_expression.rs
 expression_array_initializer = { "[" ~ spread_or_expression ~ ";" ~ number_positive ~ "]" }
@@ -336,7 +330,6 @@ statement = {
     (statement_return
     | statement_conditional
     | statement_for
-//     | statement_multiple_assignment
     | statement_macro
     | statement_definition
     | statement_assign
@@ -358,7 +351,7 @@ statement_conditional = {"if " ~ (expression | "(" ~ expression ~ ")") ~ "{" ~ N
 conditional_nested_or_end_statement = { statement_conditional | "{" ~ NEWLINE* ~ statement+ ~ "}"}
 
 // Declared in statements/definition_statement.rs
-statement_definition = { declare ~ variables ~ "=" ~ (expression_list | expression) ~ LINE_END}
+statement_definition = { declare ~ variables ~ "=" ~ (expression_tuple | expression) ~ LINE_END}
 
 // Declared in statements/expression_statement.rs
 statement_expression = { expression ~ LINE_END }
@@ -375,7 +368,7 @@ statement_return = { "return " ~ return_}
 test_function = { "test " ~ function }
 
 // Declared in functions/function.rs
-function = { "function " ~ identifier ~ input_list  ~ ("->" ~ (type_list| type_))? ~ "{" ~ NEWLINE* ~ statement* ~ NEWLINE* ~ "}" ~ NEWLINE* }
+function = { "function " ~ identifier ~ input_tuple  ~ ("->" ~ (type_tuple| type_))? ~ "{" ~ NEWLINE* ~ statement* ~ NEWLINE* ~ "}" ~ NEWLINE* }
 
 // Declared in functions/input/function_input.rs
 function_input = { mutable? ~ identifier ~ ":" ~ type_ }
@@ -388,7 +381,7 @@ input = {
     function_input
     | input_keyword
 }
-input_list = _{ "(" ~(input ~ ("," ~ NEWLINE* ~ input)*)? ~ ")"}
+input_tuple = _{ "(" ~(input ~ ("," ~ NEWLINE* ~ input)*)? ~ ")"}
 
 
 /// Imports
diff --git a/ast/src/statements/mod.rs b/ast/src/statements/mod.rs
index f2bc27cf66..50202579e5 100644
--- a/ast/src/statements/mod.rs
+++ b/ast/src/statements/mod.rs
@@ -19,9 +19,6 @@ pub use expression_statement::*;
 pub mod for_statement;
 pub use for_statement::*;
 
-// pub mod multiple_assignment_statement;
-// pub use multiple_assignment_statement::*;
-
 pub mod return_statement;
 pub use return_statement::*;
 
diff --git a/ast/src/statements/multiple_assignment_statement.rs b/ast/src/statements/multiple_assignment_statement.rs
deleted file mode 100644
index 17a6dd99ee..0000000000
--- a/ast/src/statements/multiple_assignment_statement.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-use crate::{
-    ast::Rule,
-    common::{Declare, Identifier, LineEnd, Variable},
-    expressions::Expression,
-    SpanDef,
-};
-
-use pest::Span;
-use pest_ast::FromPest;
-use serde::Serialize;
-use std::fmt;
-
-#[derive(Clone, Debug, FromPest, PartialEq, Serialize)]
-#[pest_ast(rule(Rule::statement_multiple_assignment))]
-pub struct MultipleAssignmentStatement<'ast> {
-    pub declare: Declare,
-    pub variables: Vec<Variable<'ast>>,
-    pub function_name: Identifier<'ast>,
-    pub arguments: Vec<Expression<'ast>>,
-    pub line_end: LineEnd,
-    #[pest_ast(outer())]
-    #[serde(with = "SpanDef")]
-    pub span: Span<'ast>,
-}
-
-impl<'ast> fmt::Display for MultipleAssignmentStatement<'ast> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        for (i, id) in self.variables.iter().enumerate() {
-            write!(f, "{}", id)?;
-            if i < self.variables.len() - 1 {
-                write!(f, ", ")?;
-            }
-        }
-        write!(f, " = {}", self.function_name)
-    }
-}