Class: Prelude::Tuple

$Id: tuple.rb 7 2006-09-06 17:03:26Z prelude $

The Tuple’s being an Array should be considered an implementation inheritance.

Methods

fst new snd

Public Class methods

    # File lib/prelude/tuple.rb, line 31
31:     def initialize(*args)
32:       case
33:       when args.nil? || args.empty? :
34:           self[0] = self[1] = nil
35:       when args.length == 1 && args[0].kind_of?(Array) :
36:           self[0] = args[0][0]
37:           self[1] = args[0][1..-1]
38:       when args.length == 1         :
39:           self[0] = args[0]
40:           self[1] = nil
41:       when args.length == 2         :
42:           self[0] = args[0]
43:           self[1] = args[1]
44:       when args.length  > 2         :
45:           self[0] = args[0]
46:           self[1] = args[1..-1]
47:       end # case
48:     end

Public Instance methods

fst()

[Source]

    # File lib/prelude/tuple.rb, line 50
50:     def fst
51:       self[0]
52:     end

snd()

[Source]

    # File lib/prelude/tuple.rb, line 54
54:     def snd
55:       self[1]
56:     end