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Add instance_methods to class generated by DelegateClass

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Also, make DelegateClass.instance_method fallback to superclass.

Fixes [Bug #16982]
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Masataka Pocke Kuwabara 2020-07-10 07:01:10 +09:00 • committed by GitHub
parent 7a479b30b6
commit ba81bc24e6
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Notes: git 2020-07-10 07:01:37 +09:00 
Merged: https://github.com/ruby/ruby/pull/3221

Merged-By: jeremyevans <code@jeremyevans.net>
2 changed files with 49 additions and 0 deletions
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15
lib/delegate.rb
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@ -422,6 +422,21 @@ def DelegateClass(superclass, &block)
klass.define_singleton_method :protected_instance_methods do |all=true|
super(all) | superclass.protected_instance_methods
end
klass.define_singleton_method :instance_methods do |all=true|
super(all) | superclass.instance_methods
end
klass.define_singleton_method :public_instance_method do |name|
super(name)
rescue NameError
raise unless self.public_instance_methods.include?(name)
superclass.public_instance_method(name)
end
klass.define_singleton_method :instance_method do |name|
super(name)
rescue NameError
raise unless self.instance_methods.include?(name)
superclass.instance_method(name)
end
klass.module_eval(&block) if block
return klass
end