Optional braces

[Jacob Carlborg]

On 2011-08-21 20:02, bearophile wrote:
> Nick Sabalausky:
>
>> Yuck! I'd really hate that.
>
> Recently I have converted this Python code:
>
>
> def foo(sol):
>      global best
>      if is_solution(sol[-1]):
>          if best or len(sol)<  len(best):
>              best = list(sol)
>      else:
>          for next in alternatives(sol[-1]):
>              if next not in sol:
>                  foo(sol + [next])
>
>
> To this innocent-looking D code, do you see the problem?
>
> void foo(Pair[] sol) {
>      if (isSolution(sol[$-1]))
>          if (!best.length || sol.length<  best.length)
>              best = sol.dup;
>      else
>          foreach (next; alternatives(sol[$-1]))
>              if (!canFind(sol, next))
>                  foo(sol ~ [next]);
> }
>
>
> There is a situation where I'd like D to require braces:
> http://d.puremagic.com/issues/show_bug.cgi?id=4375
>
> Bye,
> bearophile

Yes, the else is for the second if-statement, not the first one. That's 
why I always use braces when I have nested if-statements, at least for 
the outer if-statement.

-- 
/Jacob Carlborg