Template for function or delegate (nothing else)

[useo]

== Auszug aus Steven Schveighoffer (schveiguy at yahoo.com)'s Artikel
> On Wed, 09 Feb 2011 14:59:33 -0500, useo <useo at start.bg> wrote:
> > == Auszug aus Steven Schveighoffer (schveiguy at yahoo.com)'s Artikel
> >> On Wed, 09 Feb 2011 14:35:42 -0500, useo <useo at start.bg> wrote:
> >> > Is it possible to create a template which only accepts
functions
> > or
> >> > delegates like this example:
> >> >
> >> > class Example(T : void function()) { // or ..(T : void delegate
> > ())..
> >> >
> >> > 	T callback;
> >> >
> >> > }
> >> >
> >> > Where T is a function or a delegate...
> >> >
> >> > Thanks for every suggestion!
> >> class Example(T) if (is(T == delegate) || is(T == function))
> >> {
> >>      T callback;
> >> }
> >> -Steve
> >
> > Is there any chance to do the same for methods like:
> >
> > void example(T)() {
> > }
> >
> > ... something like:
> >
> > void bindEvent(T)(if (is(T == delegate) || is(T == function)))
()...
> Yes, but you have the order mixed up.
> void bindEvent(T)() if (is...)
> In general form, a template constraint goes after the declaration,
but
> before the body of the template.
> -Steve

Ah, okay... I already tried the if-statement after the declaration
but I always got an error like this:

"... semicolon expected following function declaration"

I just removed ( and ) from the if-statement and it's working, thanks
in again!