const argument

[Jarrett Billingsley]

On Sat, Mar 28, 2009 at 6:12 AM, TSalm <TSalm at free.fr> wrote:
> Hello,
>
> Is there a way to specifie a constant argument ( I would say an argument for
> which his value is evaluate at compile time )
>
> For example, something like this :
>
> /* -------- CODE --------- */
> import tango.io.Stdout;
>
> void func(const bool constArg)
> {
>    static if (constArg)
>        Stdout("Yes").newline;
>    else
>        Stdout("No").newline;
> }
>
> void main()
> {
>    func( true );
>    func( false );
> }
> /* -------- END CODE --------- */

You have to do it with templates:

void func(bool constArg)()
{
    static if(constArg) ... else ...
}

func!(true)();
func!(false)();

Walter suggested, in the D2 presentation at the conference in 2007,
that there should be "static" parameters which would work the way your
code should work.