From: "shugo (Shugo Maeda)" <redmine@...>
Date: 2012-04-01T14:10:07+09:00
Subject: [ruby-core:44039] [ruby-trunk - Feature #6242] Ruby should support lists


Issue #6242 has been updated by shugo (Shugo Maeda).

File list2.diff added

Updated the patch to evaluate `x ::: y' as `y.:::(x)', not `x.:::(y)'.
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Feature #6242: Ruby should support lists
https://bugs.ruby-lang.org/issues/6242#change-25567

Author: shugo (Shugo Maeda)
Status: Open
Priority: Normal
Assignee: 
Category: Joke
Target version: 2.0.0


I've heard that Ruby is a LISP.
LISP stands for "LISt Processing."
Hence, Ruby should support lists.

I've attached a patch to add the classes List and Cons, and the cons operator `:::'.

Example:

  >> S[1,2,3].inject(:+)
  => 6
  >> S[1,2,3]
  => S[1, 2, 3]
  >> 0 ::: S[1,2,3]
  => S[0, 1, 2, 3]
  >> 0 ::: 1 ::: 2 ::: 3 ::: nil
  => S[0, 1, 2, 3]
  >> S[1,2,3].inject(:+)
  => 6



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