From 197ede0e7f2b42cd96395b71bb1e5e432c49f1c6 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 20 Jul 2016 08:35:25 +0000
Subject: hash.c: rb_hash_add_new_element

* hash.c (rb_hash_add_new_element): add new element or do nothing
  if it is contained already.
* array.c (ary_add_hash, ary_add_hash_by): use
  rb_hash_add_new_element.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55707 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 array.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

(limited to 'array.c')

diff --git a/array.c b/array.c
index 6f1d65a88e..5ca7a93972 100644
--- a/array.c
+++ b/array.c
@@ -4008,9 +4008,7 @@ ary_add_hash(VALUE hash, VALUE ary)
 
     for (i=0; i<RARRAY_LEN(ary); i++) {
 	VALUE elt = RARRAY_AREF(ary, i);
-	if (rb_hash_lookup2(hash, elt, Qundef) == Qundef) {
-	    rb_hash_aset(hash, elt, elt);
-	}
+	rb_hash_add_new_element(hash, elt, elt);
     }
     return hash;
 }
@@ -4038,9 +4036,7 @@ ary_add_hash_by(VALUE hash, VALUE ary)
 
     for (i = 0; i < RARRAY_LEN(ary); ++i) {
 	VALUE v = rb_ary_elt(ary, i), k = rb_yield(v);
-	if (rb_hash_lookup2(hash, k, Qundef) == Qundef) {
-	    rb_hash_aset(hash, k, v);
-	}
+	rb_hash_add_new_element(hash, k, v);
     }
     return hash;
 }
-- 
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