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authorOlli Jokinen <olli.jokinen@enemy.fi>2011-12-01 15:32:59 +0200
committerOlli Jokinen <olli.jokinen@enemy.fi>2011-12-01 15:32:59 +0200
commitb4e1903d23a760028d58bc3bb20a1d491bfd4a4b (patch)
treea40bdce1bd4800124ab6eaed2a6be017bf9cfd3d /activesupport/lib/active_support/core_ext/hash/slice.rb
parentfae9ad9c712decef70b379f5aa1faa0149902831 (diff)
parent1e51cd957e3c90f4be35f1f0c4c380d8f7d40d66 (diff)
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Merge remote-tracking branch 'upstream/master'
Diffstat (limited to 'activesupport/lib/active_support/core_ext/hash/slice.rb')
-rw-r--r--activesupport/lib/active_support/core_ext/hash/slice.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash/slice.rb b/activesupport/lib/active_support/core_ext/hash/slice.rb
index d7fb2da0fb..0484d8e5d8 100644
--- a/activesupport/lib/active_support/core_ext/hash/slice.rb
+++ b/activesupport/lib/active_support/core_ext/hash/slice.rb
@@ -30,6 +30,8 @@ class Hash
omit
end
+ # Removes and returns the key/value pairs matching the given keys.
+ # {:a => 1, :b => 2, :c => 3, :d => 4}.extract!(:a, :b) # => {:a => 1, :b => 2}
def extract!(*keys)
result = {}
keys.each {|key| result[key] = delete(key) }