Class: Object

Inherits:
BasicObject
Defined in:
ext/metaid.rb

Overview

The well know file made by why (redhanded.hobix.com/inspect/seeingMetaclassesClearly.html)

Instance Method Summary collapse

Instance Method Details

#class_def(name, &blk) ⇒ Object

Defines an instance method within a class



15
16
17
 
# File 'ext/metaid.rb', line 15

def class_def name, &blk
  class_eval { define_method name, &blk }
end

#meta_def(name, &blk) ⇒ Object

Adds methods to a metaclass



10
11
12
 
# File 'ext/metaid.rb', line 10

def meta_def name, &blk
  meta_eval { define_method name, &blk }
end

#meta_eval(&blk) ⇒ Object 



5
6
7
 
# File 'ext/metaid.rb', line 5

def meta_eval &blk
  metaclass.instance_eval(&blk)
end

#metaclass ⇒ Object

The hidden singleton lurks behind everyone



4
 
# File 'ext/metaid.rb', line 4

def metaclass; class << self; self; end; end