Contents

class Hash
  # Swap the values of a pair of keys.
  #
  #   require 'facet/hash/swap!'
  #
  #   {:a=>1,:b=>2}.swap!  #=> {:a=>2,:b=>1}
  #
  def swap!( key1, key2 )
    tmp = self[key1]
    self[key1] = self[key2]
    self[key2] = tmp
    self
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
facets-0.6.3	lib/facet/hash/swap!.rb
facets-0.7.0	lib/facet/hash/swap%21.rb
facets-0.7.1	lib/facet/hash/swap%21.rb
facets-0.7.2	lib/facet/hash/swap%21.rb