From efecef9d48b339dbc5d34eb8e5f39a02ea9032b0 Mon Sep 17 00:00:00 2001
From: Jeong YunWon <jeong@youknowone.org>
Date: Fri, 30 Aug 2019 01:59:20 +0900
Subject: [PATCH] Remove duplicated contains_key test

---
 src/symboltable.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/symboltable.rs b/src/symboltable.rs
index df6c6d5..546e118 100644
--- a/src/symboltable.rs
+++ b/src/symboltable.rs
@@ -710,7 +710,8 @@ impl SymbolTableBuilder {
         let location = Default::default();
 
         // Some checks:
-        if table.symbols.contains_key(name) {
+        let containing = table.symbols.contains_key(name);
+        if containing {
             // Role already set..
             match role {
                 SymbolUsage::Global => {
@@ -747,7 +748,7 @@ impl SymbolTableBuilder {
         }
 
         // Insert symbol when required:
-        if !table.symbols.contains_key(name) {
+        if !containing {
             let symbol = Symbol::new(name);
             table.symbols.insert(name.to_string(), symbol);
         }