Class: Mon::Contract::Try

Inherits:
MonadContract
  • Object
show all
Defined in:
lib/contracts/try.rb

Instance Method Summary collapse

Methods inherited from MonadContract

#initialize, #nested_contract, #to_s, #valid_nested_contract?

Constructor Details

This class inherits a constructor from Mon::Contract::MonadContract

Instance Method Details

#valid?(val) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/contracts/try.rb', line 16

def valid?(val)
  # Should be a Try (i.e. success or failure), and if it's a 
  # success, the value should be valid re: the provided contract
  val.is_a?(Mon::M::Try) and (val.is_a?(Mon::M::Success).implies(valid_nested_contract?(val._)))
end