Class: Module

Inherits:
Object show all
Defined in:
lib/module_extensions.rb

Overview

my extensions to Module. (taken from rake, named changed to not clash when rake is used for this rails project.

Instance Method Summary collapse

Instance Method Details

#my_extension(method) ⇒ Object

Check for an existing method in the current class before extending. IF the method already exists, then a warning is printed and the extension is not added. Otherwise the block is yielded and any definitions in the block will take effect.

Usage:

class String
  rake_extension("xyz") do
    def xyz
      ...
    end
  end
end



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# File 'lib/module_extensions.rb', line 21

def my_extension(method)
  unless instance_methods.include?(method.to_s) || instance_methods.include?(method.to_sym)
    yield
  end
end