improve comment

alamb · alamb · commit 9c4697afcb00 · 2022-02-08T09:31:42.000-05:00
diff --git a/src/parser.rs b/src/parser.rs
@@ -496,7 +496,7 @@ impl<'a> Parser<'a> {
                     } else {
                         let exprs = self.parse_comma_separated(Parser::parse_expr)?;
                         match exprs.len() {
-                            0 => unreachable!(), // parse_comma_separated doesn't error with one
+                            0 => unreachable!(), // parse_comma_separated ensures 1 or more
                             1 => Expr::Nested(Box::new(exprs.into_iter().next().unwrap())),
                             _ => Expr::Tuple(exprs),
                         }

Original file line number	Diff line number	Diff line change
`@@ -496,7 +496,7 @@ impl<'a> Parser<'a> {`
`496`	`496`	`} else {`
`497`	`497`	`let exprs = self.parse_comma_separated(Parser::parse_expr)?;`
`498`	`498`	`match exprs.len() {`
`499`		`- 0 => unreachable!(), // parse_comma_separated doesn't error with one`
	`499`	`+ 0 => unreachable!(), // parse_comma_separated ensures 1 or more`
`500`	`500`	`1 => Expr::Nested(Box::new(exprs.into_iter().next().unwrap())),`
`501`	`501`	`_ => Expr::Tuple(exprs),`
`502`	`502`	`}`