Module: EasyMonads::Option::OptionFunctions

Defined in:
lib/easy_monads/option_functions.rb

Class Method Summary collapse

Class Method Details

.sum_option_in_hash(hash, key, option) ⇒ Object 



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# File 'lib/easy_monads/option_functions.rb', line 5

def self.sum_option_in_hash(hash, key, option)
  if hash[key].is_a? Some
    hash[key] = hash[key].bind { |value| Some.unit(value + option.get) }
  else
    hash[key] = option
  end
  hash
end