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author | tmm1 <tmm1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-01-06 19:38:20 +0000 |
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committer | tmm1 <tmm1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-01-06 19:38:20 +0000 |
commit | 3cf4fe47e80548011c5c136c7447f24b587c40e6 (patch) | |
tree | eddb9de7ba3b97653075caf38365dbd355b732b7 /array.c | |
parent | 7dfbcc85d2e31fcb9af50c66486e82e1bc4dc2df (diff) | |
download | ruby-3cf4fe47e80548011c5c136c7447f24b587c40e6.tar.gz |
array.c: return first unique element in Array#uniq
* array.c (ary_add_hash): Fix consistency issue between Array#uniq and
Array#uniq! [Bug #9340] [ruby-core:59457]
* test/ruby/test_array.rb (class TestArray): regression test for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44512 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'array.c')
-rw-r--r-- | array.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -3908,7 +3908,9 @@ ary_add_hash(VALUE hash, VALUE ary) for (i=0; i<RARRAY_LEN(ary); i++) { VALUE elt = RARRAY_AREF(ary, i); - rb_hash_aset(hash, elt, elt); + if (rb_hash_lookup2(hash, elt, Qundef) == Qundef) { + rb_hash_aset(hash, elt, elt); + } } return hash; } |