There s no good reason to do this sort of patching because jruby marshals strings between java and ruby.
Ruby monkey patch class method.
Intro to monkey patching in ruby.
2 monkey patched java methods are only available in ruby code.
This can cause unintended side effects or breakage of programs.
Motivated by the intent to patch existing third party code as a workaround to a bug or feature.
3 aspects of this code are likely to change in the next release.
Ruby has a very beautiful syntax and so it can be tempting to monkey patch a class to turn some ugly method call into something that is more readable.
Pass dummy class x foo foo bar lambda self.
This is called a monkey patch.
With that in mind let s look at a completely contrived example.
Or perhaps you need to monkey patch a class you own.
So you have to have a way to quickly learn those changes when you jump into a new codebase.
I mostly follow rails monkey patching convention.
The above statement asserts that the ruby usage is incorrect but terms evolve and that s not always a bad thing.
All users of the monkey patched class see the same changes.
In ruby the term monkey patch was misunderstood to mean any dynamic modification to a class and is often used as a synonym for dynamically modifying any class at runtime.
So the behavior of the class monkey is changed dynamically.
42 print x bar but you can t do this for certain built in classes like int or float.
Patches go into lib core.
Due to ruby s open classes you can redefine or add functionality to existing classes.
These classes methods are implemented in c and there are certain abstractions sacrificed in order to make the implementation easier and more efficient.
When you monkey patch core classes you add to the core ruby apis.
For example you often see monkey patches that simply add a convenience method that has no side effect.
Unfortunately the scope of such changes is global.
The linking of a new method to the existing class method name happens at runtime.
Monkey patching changes the behavior of class methods.
We are assigning a new method name patchfunc to the existing class method name monkeyfunc.
Every app with core patches feels a little bit different.
