ruby-method-wrapper

Allow intercept method invocations. Useful for log, cache, etc...

Usage

Step 1: Include in your Gemfile.

gem 'ruby_method_wrapper', git: 'https://github.com/adrianmarino/ruby_method_wrapper.git', branch: 'master'

Step 2: Write an example.

require 'bundler/setup'
require 'method_wrapper'

class Bob
  def say_hello
    puts "Hello!"
  end
end

Bob.wrap_instance_method(pattern: /^say_hello$/, & ->(method, *args, &block) do
  puts "Before call #{method.name}"
  method.call(*args, &block)
  puts "After call #{method.name}"
end)

Bob.new.say_hello

Also is possible:

• Invoke private and protected methods.
• Invoke class methods.
• Replace method call with another implementation.