From: Tobias Reif <tobiasreif@...>
Date: 2002-02-07T18:43:58+09:00
Subject: Re: shuffle (all possible sequences)

I wrote:


> I need to get an array of all possible sequences.
> 
> For example for
>   "abc".all_sequences
> , I'd like to get
>   ["abc","acb","bac", "bca", "cab", "cba"]


I'm sorry; it would be way better to have a boolean method, like:
"abc".consists_of?("abc") # -> true
"acb".consists_of?("abc") # -> true
"bac".consists_of?("abc") # -> true
"bca".consists_of?("abc") # -> true

And then, how can I say

word_list = ['foo', 'bca']
word_list.include? word_consisting_of('abc')
# => true

TIA,

Tobi


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