# +accessor.method+. +accessor+ should be a method name, instance

# variable name, or constant name. Use the full path to the

# constant if providing the constant name.

#

# class MyQueue

# CONST = 1

# If it's not a class or module, it's an instance

mod = Module === self ? self : singleton_class

mod.send(:ruby2_keywords, ali) if RUBY_VERSION >= '2.7'

end

alias delegate instance_delegate

# Defines a method _method_ which delegates to _accessor_ (i.e. it calls

# the method of the same name in _accessor_). If _new_name_ is

# provided, it is used as the name for the delegate method.

def def_single_delegator(accessor, method, ali = method)

gen = Forwardable._delegator_method(self, accessor, method, ali)

singleton_class.send(:ruby2_keywords, ali) if RUBY_VERSION >= '2.7'

end

alias delegate single_delegate

def test_def_instance_delegator

%i[def_delegator def_instance_delegator].each do |m|

cls = forwardable_class do

end

assert_same RETURNED1, cls.new.delegated1

end

end

def test_class_single_delegator

%i[def_delegator def_single_delegator].each do |m|

cls = single_forwardable_class do

end

assert_same RETURNED1, cls.delegated1

end

end