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module Virtus
# Abstract coercer class
#
class Coercer
include Equalizer.new(inspect) << :primitive << :type
# @api private
attr_reader :primitive, :type
# @api private
def initialize(type)
@type = type
@primitive = type.primitive
end
# Coerce input value into expected primitive type
#
# @param [Object] input
#
# @return [Object] coerced input
#
# @api public
def call(input)
NotImplementedError.new("#{self.class}#call must be implemented")
end
# Return if the input value was successfuly coerced
#
# @param [Object] input
#
# @return [Object] coerced input
#
# @api public
def success?(primitive, input)
input.kind_of?(primitive)
end
end # Coercer
end # Virtus
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