Class: Contracts::Maybe
- Inherits:
-
Or
- Object
- CallableClass
- Or
- Contracts::Maybe
- Defined in:
- lib/contracts/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/contracts/builtin_contracts.rb', line 342 def initialize(*vals) super(*(vals + [nil])) end |