From: Trans <transfire@...>
Date: 2005-01-30T19:45:49+09:00
Subject: Re: Array::uniq { block } ?

> By analogy with sort and sort_by

> a.uniq_by {|i| i[1]} would work like uniq, but hashing i[i]
> rather than i. a.uniq {|i,j| f(i,j) == true } would be the
> generalised method, but as noted that's O(n^2) rather
> than O(n). (Also I'm not sure it'd be algorithmically sound
> - you could introduce order dependencies with a sufficiently
> adversarial comparison function.)

Has anyone, could anyone, write a Ruby version of this method? I'm not
sure what its supposed to do exaclty. Id like to see source.
Thanks,
T.