fix parser_test.v

vlib/v/parser/parser.v

@@ -230,23 +230,9 @@ pub fn (p mut Parser) expr(rbp int) (ast.Expr,types.Type) {
 		if prev_tok.is_right_assoc() {
 			mut expr := ast.Expr{}
 			expr,t2 = p.expr(prev_tok.precedence() - 1)
-			/*
-			if prev_tok.is_assign() {
-				return ast.AssignStmt {
-					left: node
-					op: prev_tok.kind
-					right: expr
-				}, types.void_type
-			}
-			*/
-
 			node = ast.BinaryExpr{
 				left: node
-				// left_type: t1
-				
 				op: prev_tok.kind
-				// right: p.expr(prev_tok.precedence() - 1)
-				
 				right: expr
 			}
 			if !types.check(&typ, &t2) {
@@ -266,34 +252,6 @@ pub fn (p mut Parser) expr(rbp int) (ast.Expr,types.Type) {
 	return node,typ
 }
 
-/*
-fn (p mut Parser) stmt() ast.Stmt {
-	if p.tok == .name {
-		name := p.lit
-		p.next()
-		if p.tok == .decl_assign {
-			p.next()
-			return ast.VarDecl{
-				name: name
-				expr: p.expr(token.lowest_prec)
-			}
-		}
-	}
-	/*
-	match node {
-		Ident {
-
-
-		}
-
-	}
-	*/
-
-	return ast.VarDecl{}
-}
-*/
-
-
 fn (p mut Parser) parse_string_literal() (ast.Expr,types.Type) {
 	mut node := ast.Expr{}
 	node = ast.StringLiteral{

vlib/v/parser/parser_test.v

@@ -39,8 +39,8 @@ fn test_parse_expr() {
 	'a := 12',
 	'ab := 10 + 3 * 9',
 	's := "hi"',
-	'1 += 2',
-	// 'a += 10',
+	// '1 += 2',
+	'a += 10',
 	'1.2 + 3.4',
 	'4 + 4',
 	'1 + 2 * 5',
@@ -65,8 +65,8 @@ fn test_parse_expr() {
 	'int a = 12;',
 	'int ab = 10 + 3 * 9;',
 	'string s = tos3("hi");',
-	'1 += 2;',
-	// 'a += 10;',
+	// '1 += 2;',
+	'a += 10;',
 	'1.2 + 3.4;',
 	'4 + 4;',
 	'1 + 2 * 5;',