Module: Dry::Protocol

Defined in:
lib/dry/behaviour.rb,
lib/dry/errors/not_protocol.rb,
lib/dry/errors/not_implemented.rb

Defined Under Namespace

Classes: NotImplemented, NotProtocol

Class Method Summary collapse

Class Method Details

.defimpl(protocol = nil, target: nil, delegate: [], map: {}, &λ) ⇒ Object

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# File 'lib/dry/behaviour.rb', line 14

def defimpl(protocol = nil, target: nil, delegate: [], map: {}, &

.implemented_for?(protocol, receiver) ⇒ Boolean

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Returns:

  • (Boolean)

Raises:



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# File 'lib/dry/behaviour.rb', line 19

def implemented_for?(protocol, receiver)
  raise NotProtocol.new(protocol) unless protocol < ::Dry::Protocol
  !protocol.implementation_for(receiver).nil?
end

.included(base) ⇒ Object 



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# File 'lib/dry/behaviour.rb', line 8

def self.included(base)
  base.singleton_class.prepend(Dry::BlackTie)
end