From c9d4335418823500548ad8fbc86af7c910b7644b Mon Sep 17 00:00:00 2001 From: trans Date: Thu, 25 Dec 2008 00:24:05 +0000 Subject: MaKe Hash#slice! return removed values, akin to Array [#971 state:resolved] Signed-off-by: Frederick Cheung --- activesupport/lib/active_support/core_ext/hash/slice.rb | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'activesupport/lib/active_support') diff --git a/activesupport/lib/active_support/core_ext/hash/slice.rb b/activesupport/lib/active_support/core_ext/hash/slice.rb index 88df49a69f..d845a6d8ca 100644 --- a/activesupport/lib/active_support/core_ext/hash/slice.rb +++ b/activesupport/lib/active_support/core_ext/hash/slice.rb @@ -24,10 +24,17 @@ module ActiveSupport #:nodoc: end # Replaces the hash with only the given keys. + # Returns a hash contained the removed key/value pairs + # {:a => 1, :b => 2, :c => 3, :d => 4}.slice!(:a, :b) # => {:c => 3, :d =>4} def slice!(*keys) - replace(slice(*keys)) + keys = keys.map! { |key| convert_key(key) } if respond_to?(:convert_key) + omit = slice(*self.keys - keys) + hash = slice(*keys) + replace(hash) + omit end end end end end + -- cgit v1.2.3