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extract!

extract!(*keys)

Instance Public methods

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}
{ a: 1, b: 2 }.extract!(:a, :x)             # => {:a=>1}

Links:

https://github.com/rails/rails/blob/f13fce617deb50c91fbe504af5af726ec8b5654d/activesupport/lib/active_support/core_ext/hash/slice.rb#L39

doc_ruby_on_rails

2015-06-20 00:00:00

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