Method: Rupture::Map#update

Defined in:
lib/rupture/map.rb

#update(key, fn = nil, *args, &block) ⇒ Object 



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# File 'lib/rupture/map.rb', line 21

def update(key, fn = nil, *args, &block)
  if fn
    assoc(key, fn.call(self[key], *args, &block))
  else
    assoc(key, yield(self[key]))
  end
end