From: gabriele renzi <surrender_it@...>
Date: 2005-12-13T08:12:38+09:00
Subject: Re: Idiom wanted: do-while

Adam Shelly ha scritto:
> So I was working on the quiz solution, and
> I had some code like this:
> 
>    b = simulate board,m
>    while another_turn?(b,m)
>       b = simulate b,m
>    end
> 
> 
> If I was doing this in C, I'd use a do-while loop instead, to avoid
> repeating the line outside the loop:
> 
>   b = board;
>   do {
>     b = simulate(b.m);
>   }
>   while ( another_turnta(b,m));
> 
> What's the do-while idiom in ruby?

you could do

begin
  ...
end while somecondition

but I seem to recall it is somewhat "deprecated" and you should follow 
James' suggestion

> I ended up with this, but it needs an extra flag variable:
> 
>   b,taketurn  = board,true
>   while taketurn
>     b = simulate b,m
>     taketurn =  another_turn?(b,m)
>   end
> 
> Is there a ruby idiom for do-while?
> 
> -Adam
> 
>