Module: Dry::Validation::Macros::Registrar

Included in:
Dry::Validation, Contract::ClassInterface
Defined in:
lib/dry/validation/macros.rb

Instance Method Summary collapse

Instance Method Details

#register_macro ⇒ self

Register a macro

Examples:

register a global macro

Dry::Validation.register_macro(:even_numbers) do
  key.failure('all numbers must be even') unless values[key_name].all?(&:even?)
end

register a contract macro

class MyContract < Dry::Validation::Contract
  register_macro(:even_numbers) do
    key.failure('all numbers must be even') unless values[key_name].all?(&:even?)
  end
end

Parameters:

  • name (Symbol) —

    The name of the macro

  • args (Array) —

    Optional default positional arguments for the macro

Returns:

  • (self)

See Also:



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# File 'lib/dry/validation/macros.rb', line 32

def register_macro(...)
  macros.register(...)
  self
end