From: Muhammad Salman <lists@...>
Date: 2012-10-11T02:34:45+09:00
Subject: Re: How to create an Array in a Hash

Hans Mackowiak wrote in post #1079276:
> 1)
> this line replaces all your other posted lines.
> so you have this:
>
> anagram_array = words.uniq.group_by{|w|
> w.downcase.each_char.sort}.values
>
> 2)
> uniq removes the second scream
> group_by wants a block
> w.downcase.each_char.sort makes an array of chars so "Cars" will be
> turned to ["a","c","r","s"]
>
> so we have:
> {
> ["a", "c", "r", "s"]=>["cars", "scar"],
> ["f", "o", "r", "u"]=>["four"],
> ["a", "c", "e", "m", "r", "s"]=>["creams", "scream"]
> }
>
> but you only want the values, so i add .values

Thanks, i removed uniq and did what you said and got exactly what i was 
looking for. This is soo cool i never thought that only a line could be 
soo powerful :)

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