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Contents
# frozen_string_literal: true
module ConvenientService
module Support
module Copyable
##
# @example
# person = Person.new('John', 'Doe', age: 42, gender: :male) do |p|
# puts p
# end
#
# copy = person.copy
# copy = person.copy(overrides: {args: ['Jane']})
# copy = person.copy(overrides: {args: {0 => 'Jane'}})
# copy = person.copy(overrides: {kwargs: {age: 18}})
# copy = person.copy(overrides: {block: proc { |p| print p }})
#
# @internal
# NOTE: Inline logic instead of private methods is used intentionally in order to NOT pollute the public interface.
# NOTE: This method is NOT likely to be ever changed, that is why inline logic is preferred over command classes in this particular case.
#
# NOTE: The `respond_to` solution was slower by 16%. Check this file history to review the previous implementation. Use the `empty_service` benchmark to compare.
#
def copy(overrides: {})
defaults = {args: {}, kwargs: {}}
##
# IMPORTANT: Do not mutate `overrides`.
#
overrides = defaults.merge(overrides)
args =
case overrides[:args]
when ::Array then overrides[:args]
when ::Hash then Utils::Array.merge(to_arguments.args, overrides[:args])
end
kwargs = to_arguments.kwargs.merge(overrides[:kwargs])
block = overrides[:block] || to_arguments.block
self.class.new(*args, **kwargs, &block)
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems