Class: Module

Inherits:
Object
  • Object
show all
Defined in:
lib/license_auto/module.rb

Overview

[Simple and stupid code to emulate pure virtual methods in Ruby](gist.github.com/mssola/6138163)

Here’s the trick: let’s open the Module class and implement the ‘virtual’ method, so it’s available also for classes.

Instance Method Summary collapse

Instance Method Details

#virtual(*methods) ⇒ Object

This method defines a method for each of the elements passed by the variable length argument. The implementation for each method will be just raising a VirtualMethodError coupled with the name of the method.



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# File 'lib/license_auto/module.rb', line 12

def virtual(*methods)
  methods.each do |name|
    define_method(name) { raise LicenseAuto::VirtualMethodError, name }
  end
end