Optional braces

[kennytm]

Walter Bright <newshound2 at digitalmars.com> wrote:
> On 8/19/2011 8:12 AM, Andrei Alexandrescu wrote:
>> One thing I'd subjectively like is to require braces on both branches of if/else
>> if at least one has braces.
> 
> It's rather simple to just disallow the form:
> 
>     if (a) if (b) statement
>            ^ error: use if(a&&b) or if(a){if(b)statement}
> 
> and not even pay attention if there's a dangling else or not. I've always
> viewed things like:
> 
>     if (a)
>       if (b)
>          ...
>     ...
> 
> with suspicion, anyway, dangling else or not.

Not sure if it's a big enough problem, but what about dangling else of this
form?

    if (a.length > 0)
        foreach (i, ref e; a)
            if (i > 0)
                 e += a[i-1];
    else      // oops
        throw new Exception("empty array");