Method: Puppet::Pops::Types::PBooleanType.new_function

Defined in:
lib/puppet/pops/types/types.rb

.new_function(type) ⇒ Object 



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# File 'lib/puppet/pops/types/types.rb', line 1868

def self.new_function(type)
  @new_function ||= Puppet::Functions.create_loaded_function(:new_boolean, type.loader) do
    dispatch :from_args do
      param "Variant[Integer, Float, Boolean, Enum['false','true','yes','no','y','n',true]]",  :from
    end

    argument_mismatch :on_error do
      param  'Any', :from
    end

    def from_args(from)
      from = from.downcase if from.is_a?(String)
      case from
      when Float
        from != 0.0
      when Integer
        from != 0
      when false, 'false', 'no', 'n'
        false
      else
        true
      end
    end

    def on_error(from)
      if from.is_a?(String)
        _("The string '%{str}' cannot be converted to Boolean") % { str: from }
      else
        t = TypeCalculator.singleton.infer(from).generalize
        _("Value of type %{type} cannot be converted to Boolean") % { type: t }
      end
    end
  end
end