From c244dd10343ff96a73879c593bd9253c4073cb90 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 31 Jul 2018 12:26:19 +0300
Subject: Call expr

---
 src/parser/grammar/attributes.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/parser/grammar/attributes.rs')

diff --git a/src/parser/grammar/attributes.rs b/src/parser/grammar/attributes.rs
index 7f1c0401a..c411d4d7f 100644
--- a/src/parser/grammar/attributes.rs
+++ b/src/parser/grammar/attributes.rs
@@ -36,7 +36,7 @@ fn meta_item(p: &mut Parser) {
         match p.current() {
             EQ => {
                 p.bump();
-                if !expressions::literal(p) {
+                if expressions::literal(p).is_none() {
                     p.error("expected literal");
                 }
             }
@@ -56,7 +56,7 @@ fn meta_item_arg_list(p: &mut Parser) {
         match p.current() {
             EOF | R_PAREN => break,
             IDENT => meta_item(p),
-            c => if !expressions::literal(p) {
+            c => if expressions::literal(p).is_none() {
                 let message = "expected attribute";
 
                 if items::ITEM_FIRST.contains(c) {
-- 
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