From b1a8c64483b5ba5e4a391aa68234e7bde6355034 Mon Sep 17 00:00:00 2001 From: eregon Date: Sun, 25 Feb 2018 13:52:07 +0000 Subject: Add a new #filter alias for #select * In Enumerable, Enumerator::Lazy, Array, Hash and Set [Feature #13784] [ruby-core:82285] * Share specs for the various #select#select! methods and reuse them for #filter/#filter!. * Add corresponding filter tests for select tests. * Update NEWS. [Fix GH-1824] From: Alexander Patrick git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62575 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- enum.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'enum.c') diff --git a/enum.c b/enum.c index 0df4461430..b9b9ca7b7a 100644 --- a/enum.c +++ b/enum.c @@ -388,8 +388,10 @@ enum_size_over_p(VALUE obj, long n) * call-seq: * enum.find_all { |obj| block } -> array * enum.select { |obj| block } -> array + * enum.filter { |obj| block } -> array * enum.find_all -> an_enumerator * enum.select -> an_enumerator + * enum.filter -> an_enumerator * * Returns an array containing all elements of +enum+ * for which the given +block+ returns a true value. @@ -401,6 +403,8 @@ enum_size_over_p(VALUE obj, long n) * * [1,2,3,4,5].select { |num| num.even? } #=> [2, 4] * + * [:foo, :bar].filter { |x| x == :foo } #=> [:foo] + * * See also Enumerable#reject. */ @@ -3994,6 +3998,7 @@ Init_Enumerable(void) rb_define_method(rb_mEnumerable, "find_index", enum_find_index, -1); rb_define_method(rb_mEnumerable, "find_all", enum_find_all, 0); rb_define_method(rb_mEnumerable, "select", enum_find_all, 0); + rb_define_method(rb_mEnumerable, "filter", enum_find_all, 0); rb_define_method(rb_mEnumerable, "reject", enum_reject, 0); rb_define_method(rb_mEnumerable, "collect", enum_collect, 0); rb_define_method(rb_mEnumerable, "map", enum_collect, 0); -- cgit v1.2.3