Method: Monadic::Either.unit

Defined in:
lib/monadic/either.rb

.unit(value) ⇒ Object 



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# File 'lib/monadic/either.rb', line 9

def self.unit(value)
  return value if value.is_a? Either
  return Nothing                  if value.is_a? Nothing
  return Success.new(value.fetch) if value.is_a? Just
  return Failure.new(value)       if value.nil? || (value.respond_to?(:empty?) && value.empty?) || !value
  return Success.new(value)
end