From: Joel VanderWerf <vjoel@...>
Date: 2003-07-27T03:34:31+09:00
Subject: Re: Set doesn't have [] instance method

Aredridel wrote:
> On Sat, 2003-07-26 at 11:39, Brian Candler wrote:
> 
>>On Sun, Jul 27, 2003 at 02:28:06AM +0900, Gavin Sinclair wrote:
>>
>>>It should, shouldn't it?  It's meant to combine the fast lookup of
>>>Hash with the convenience of Array, yet the most important method Hash
>>>and Array have in common, Set lacks!
>>
>>What should it return - true/false? In which case it would just be an alias
>>of 'include?' ? Personally I don't like having lots of aliases for the same
>>method
> 
> 
> It could return member or false -- 
> 
> s = Set.new(['a', 'b'])
> s['a'] -> 'a'
> s['c'] -> false

What if false is a member of the set?