Allow attributes on expressions

matklad · matklad · commit d739731830d5 · 2020-06-15T10:59:05.000+02:00
rust-lang/rust#69201
diff --git a/crates/ra_parser/src/grammar/expressions.rs b/crates/ra_parser/src/grammar/expressions.rs
@@ -50,10 +50,8 @@ fn expr_no_struct(p: &mut Parser) {
 }
 
 fn is_expr_stmt_attr_allowed(kind: SyntaxKind) -> bool {
-    match kind {
-        BIN_EXPR | RANGE_EXPR | IF_EXPR => false,
-        _ => true,
-    }
+    let forbid = matches!(kind, BIN_EXPR | RANGE_EXPR);
+    !forbid
 }
 
 pub(super) fn stmt(p: &mut Parser, with_semi: StmtWithSemi) {

Original file line number	Diff line number	Diff line change
`@@ -50,10 +50,8 @@ fn expr_no_struct(p: &mut Parser) {`
`50`	`50`	`}`
`51`	`51`
`52`	`52`	`fn is_expr_stmt_attr_allowed(kind: SyntaxKind) -> bool {`
`53`		`- match kind {`
`54`		`- BIN_EXPR \| RANGE_EXPR \| IF_EXPR => false,`
`55`		`- _ => true,`
`56`		`- }`
	`53`	`+ let forbid = matches!(kind, BIN_EXPR \| RANGE_EXPR);`
	`54`	`+ !forbid`
`57`	`55`	`}`
`58`	`56`
`59`	`57`	`pub(super) fn stmt(p: &mut Parser, with_semi: StmtWithSemi) {`