Ruby Monkey Patch Super

This can cause unintended side effects or breakage of programs.

Ruby monkey patch super.

Monkey patching is a powerful feature of ruby however it affects globally in a program. Ruby inheritance doesn t work that way. Interface to patch package is slightly different see previous item for the cause. Deprecation warnings and other warnings in ruby have a category deprecated etc but those categories aren t exposed or accessible.

This module is based on the wonderful monkey patch by paul driver. This is called a monkey patch. All users of the monkey patched class see the same changes. What changed in ruby 2 0.

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. Ruby s open classes are powerful but can easily be misused. 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. Due to ruby s open classes you can redefine or add functionality to existing classes.

Until ruby 2 0 there was no way to add code below a class only above it. Max spends plenty of time in his super hero outfit. Watch as he helps ruby and friends. 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.

The knowledge gained from this adventure was totally worth it. You can monkey patch module kernel to get methods available in main. 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. Subscribe to treehouse direct for new clips episodes and more.

This module adds the ability to add replace delete subroutines instead of just wrapping them. Unfortunately the scope of such changes is global.