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# frozen_string_literal: true
require 'dry/types/container'
module Dry
module Types
# Internal container for constructor functions used by the built-in types
#
# @api private
class FnContainer
# @api private
def self.container
@container ||= Container.new
end
# @api private
def self.register(function = Dry::Core::Constants::Undefined, &block)
fn = Dry::Core::Constants::Undefined.default(function, block)
fn_name = register_name(fn)
container.register(fn_name, fn) unless container.key?(fn_name)
fn_name
end
# @api private
def self.[](fn_name)
if container.key?(fn_name)
container[fn_name]
else
fn_name
end
end
# @api private
def self.register_name(function)
"fn_#{function.object_id}"
end
end
end
end
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