if(;){} opinion

[Stewart Gordon]

Georg Wrede wrote:
> Better 'fess up front: the intent of this post is to once and for all 
> murder, pulverize and extradite the new if construct.
> 
> Consider:
> 
>         if (m; std.regexp.search("abcdef", "b(c)d"))
<snip>
> Now consider:
> 
>         if (Regexp m = std.regexp.search("abcdef", "b(c)d"))
>         {
>             writefln("[%s]", m.pre);      // prints [a]
>             writefln("[%s]", m.post);     // prints [ef]
>             writefln("[%s]", m.match(0)); // prints [bcd]
>             writefln("[%s]", m.match(1)); // prints [c]
>             writefln("[%s]", m.match(2)); // prints []
>         }
> 
> Flaunting this around (to both the original programmers, and also to 
> virgin victims), gave the same, _immediate_ comment from everybody: "Ah, 
> that's neat!"

It should be quite straightforward to support both syntaxes.  People 
could have the choice of declaration syntax to match for, or semicolon 
syntax to match foreach.

Stewart.

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