Ruby Monkey Patch Private Method

The difference between this library and others is that all monkey patching is performed in an opt in way because you shouldnt be using methods you dont know about anyways. Monkey patching is a powerful feature of ruby however it affects globally in a program. This gem calculates descriptive statistics including measures of central tendency e g.

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You have to know where your monkey patches live.

Ruby monkey patch private method.

For example you often see monkey patches that simply add a convenience method that has no side effect. Rearmed is a collection of plugins which are driven by making life easier coding more natural. Or perhaps you need to monkey patch a class you own. 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.

The reason your original approach doesn t work is that instead of monkey patching array class you implemented a new stylable array class note the namespace. But just like monkey patching alias method chain got overused and its problems started to become obvious. Alias method chain led to my first patches to gems which led to my first pull requests which led to my first open source contributions. Every app with core patches feels a little bit different.

Ruby does supply the private class method. Mean median mode dispersion e g. A collection of helpful methods and monkey patches for arrays hash enumerables strings objects dates in ruby. Patches go into lib core.

If you re running ruby 2 0 and you don t want to monkey patch array globally you could create custom class that inherits from array. In ruby a monkey patch mp is any dynamic modification to a class and is often used as a synonym for dynamically modifying any class add new or overwrite existing methods at runtime. We could monkey patch array and. Another reason to question the def self method notation is the ability to define private and protected methods.

I mostly follow rails monkey patching convention. So you have to have a way to quickly learn those changes when you jump into a new codebase. When you monkey patch core classes you add to the core ruby apis. 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.

The method names it generates are confusing which makes errors hard to find and debug. Range and quartiles and spread e g variance and standard deviation.