Class: Iterator

Inherits:

Enumerator

• Object
• Enumerator
• Iterator

Defined in:

lib/mug/iterator_c.rb

Overview

A special class of Enumerator that repeatedly invokes a method.

Initially the method is send to the given obj, but subsequent invocations are sent to the result of the previous invocation.

Example:

0.iter_for(:next).take(5) #=> [0,1,2,3,4]

Instance Method Summary

• #initialize(obj, meth, *args) ⇒ Iterator constructor

  Creates a new Iterator for method meth, to be called initially on object obj.

Methods inherited from Enumerator

#to_b

Constructor Details

#initialize(obj, meth, *args) ⇒ Iterator

Creates a new Iterator for method meth, to be called initially on object obj.

All method calls will have args as parameters.

# File 'lib/mug/iterator_c.rb', line 19

def initialize obj, meth, *args
	super() do |y|
		loop do
			y << obj
			obj = obj.send(meth, *args)
		end
	end
end