foreach (x; a .. b) and foreach_reverse (x; a .. b) should be disallowed for floats

[Georg Wrede]

Andrei Alexandrescu wrote:
> Consider:
> 
>     foreach (x; 1.0 .. 4.1) writeln(x);
>     foreach_reverse (x; 1.0 .. 4.1) writeln(x);
> 
> This sucks. foreach with interval for floating-point types should be 
> disallowed.


As long as you don't also remove the regular for loop with 
floating-point types.