diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/array/access.rb')
-rw-r--r-- | activesupport/lib/active_support/core_ext/array/access.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/access.rb b/activesupport/lib/active_support/core_ext/array/access.rb index ca66d806ef..3177d8498e 100644 --- a/activesupport/lib/active_support/core_ext/array/access.rb +++ b/activesupport/lib/active_support/core_ext/array/access.rb @@ -27,6 +27,18 @@ class Array end end + # Returns a copy of the Array without the specified elements. + # + # people = ["David", "Rafael", "Aaron", "Todd"] + # people.without "Aaron", "Todd" + # => ["David", "Rafael"] + # + # Note: This is an optimization of `Enumerable#without` that uses `Array#-` + # instead of `Array#reject` for performance reasons. + def without(*elements) + self - elements + end + # Equal to <tt>self[1]</tt>. # # %w( a b c d e ).second # => "b" |