Class: Contracts::Maybe

Inherits:

Or

Object
CallableClass
Or
Contracts::Maybe

show all

Defined in:: lib/builtin_contracts.rb

Overview

Takes a Contract. The contract passes if the contract passes or the given value is nil. Maybe(foo) is equivalent to Or[foo, nil].

Instance Method Summary collapse

#initialize(*vals) ⇒ Maybe constructor

A new instance of Maybe.

Methods inherited from Or

#test_data, #testable?, #to_s, #valid?

Methods inherited from CallableClass

Constructor Details

#initialize(*vals) ⇒ `Maybe`

Returns a new instance of Maybe.



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# File 'lib/builtin_contracts.rb', line 320

def initialize(*vals)
  super(*(vals + [nil]))
end