Optional braces

[Timon Gehr]

On 08/23/2011 10:46 PM, Walter Bright 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.

I agree, but imho

if (a)
     if (b) ...
     else   ...
else ...

would not /have/ to be disallowed, because it is unambiguous for a 
context-free grammar parser, and therefore for humans. (but I'd not cry 
if it was)