Ruby Monkey Patch Super

This module adds the ability to add replace delete subroutines instead of just wrapping them.

Ruby monkey patch super. Due to ruby s open classes you can redefine or add functionality to existing classes. This article looks at how to minimize the risk of opening classes alternatives and how other languages provide similar capabilities. Therefore a monkey patch might break code which doesn t expect the extended behavior and multiple monkey patches for the same class might cause conflicts to solve these problems refinements provide a way to extend classes locally. You can monkey patch module kernel to get methods available in main.

Interface to patch package is slightly different see previous item for the cause. Ruby inheritance doesn t work that way. To check out the full results please visit my github profile. Watch as he helps ruby and friends.

Until ruby 2 0 there was no way to add code below a class only above it. Although i did not create a library i would expect people to use i learned a lot about how ruby works and had a great time solving the problem. In the most recent ruby 2 7 upgrade at github we monkey patched warning warn to be able to turn warnings into exceptions. This is called a monkey patch.

This module is based on the wonderful monkey patch by paul driver. What changed in ruby 2 0. Max spends plenty of time in his super hero outfit. This can cause unintended side effects or breakage of programs.

Deprecation warnings and other warnings in ruby have a category deprecated etc but those categories aren t exposed or accessible. But with prepend you can override a method in a class with a method from a module and still access the class s implementation with super. Grandma s berry patch backshall ruby wants to pick lots of berries from grandma s berry patch so grandma can make her surprise berry recipe. Ruby s open classes are powerful but can easily be misused.

Unfortunately the scope of such changes is global. Monkey patching is a powerful feature of ruby however it affects globally in a program.