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author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-03-20 04:27:32 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-03-20 04:27:32 +0000 |
commit | 9ce419a45c521d8c41773ad29cb9ccec3be05028 (patch) | |
tree | 22a94afde9b375588a2d0d9aef267690e6f2d5b6 /array.c | |
parent | c9dd4823d98141754842c0b356b141d94ba36604 (diff) | |
download | ruby-9ce419a45c521d8c41773ad29cb9ccec3be05028.tar.gz |
* array.c (rb_ary_uniq_bang): the array is already unique if the
length is zero or one.
(rb_ary_uniq): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26987 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'array.c')
-rw-r--r-- | array.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -3367,6 +3367,8 @@ rb_ary_uniq_bang(VALUE ary) long i, j; rb_ary_modify_check(ary); + if (RARRAY_LEN(ary) <= 1) + return Qnil; if (rb_block_given_p()) { hash = ary_make_hash_by(ary); if (RARRAY_LEN(ary) == (i = RHASH_SIZE(hash))) { @@ -3412,6 +3414,8 @@ rb_ary_uniq(VALUE ary) VALUE hash, uniq, v; long i; + if (RARRAY_LEN(ary) <= 1) + return rb_ary_dup(ary); if (rb_block_given_p()) { hash = ary_make_hash_by(ary); uniq = ary_new(rb_obj_class(ary), RHASH_SIZE(hash)); |