From 05d119620308b71c5a6c17b18e78da9e299a97b4 Mon Sep 17 00:00:00 2001 From: hsbt Date: Sat, 7 Mar 2015 00:36:09 +0000 Subject: [PATCH] * array.c: document that first element is kept when using Array#uniq and #uniq! [fix GH-845][ci skip] Patch by @riffraff git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49879 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 6 ++++++ array.c | 4 ++++ 2 files changed, 10 insertions(+) diff --git a/ChangeLog b/ChangeLog index 5f8759ba3d..2669167b7f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +Sat Mar 7 09:36:05 2015 SHIBATA Hiroshi + + * array.c: document that first element is kept when using + Array#uniq and #uniq! [fix GH-845][ci skip] + Patch by @riffraff + Sat Mar 7 09:28:02 2015 SHIBATA Hiroshi * thread.c: Mutex#owned? is no longer experimental since 2.1.0 diff --git a/array.c b/array.c index c02ee57132..0988a21888 100644 --- a/array.c +++ b/array.c @@ -4181,6 +4181,8 @@ push_value(st_data_t key, st_data_t val, st_data_t ary) * * It compares values using their #hash and #eql? methods for efficiency. * + * +self+ is traversed in order, and the first occurrence is kept. + * * Returns +nil+ if no changes are made (that is, no duplicates are found). * * a = [ "a", "a", "b", "b", "c" ] @@ -4236,6 +4238,8 @@ rb_ary_uniq_bang(VALUE ary) * * It compares values using their #hash and #eql? methods for efficiency. * + * +self+ is traversed in order, and the first occurrence is kept. + * * a = [ "a", "a", "b", "b", "c" ] * a.uniq # => ["a", "b", "c"] *