delegate object instead of a literal

[Jonathan M Davis]

On Monday, August 15, 2011 14:28 Jonathan M Davis wrote:
> On Monday, August 15, 2011 02:25 Joel Christensen wrote:
> > Ok, this is a good one I think.
> > 
> > import std.string, std.algorithm, std.functional;
> > 
> > bool isANum( dchar chr ) {
> > return inPattern( chr, digits ~ `"+-.` );
> > }
> > 
> > void main() {
> > auto input = `abc123`;
> > auto indexEnd = -1;
> > 
> > indexEnd = count!( not!isANum )( input );
> > assert( indexEnd == 3 );
> > }
> 
> Actually, it looks like count counts it for the whole range, not just how
> many before it finds one which doesn't match. So, it's not quite what you
> were looking for. I misread what it did.

The next release will have a version of countUntil that does what you want 
though.

- Jonathan M Davis