Method: Hash#swap!

Defined in:
lib/core/facets/hash/swap.rb

#swap!(key1, key2) ⇒ Object

Swap the values of a pair of keys in place.

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

CREDIT: Gavin Sinclair



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# File 'lib/core/facets/hash/swap.rb', line 9

def swap!(key1, key2)
  tmp = self[key1]
  self[key1] = self[key2]
  self[key2] = tmp
  self
end