Taking a function or delegate as argument.

[Mike Parker]

On 1/10/2012 10:05 PM, simendsjo wrote:
> If I want to have a method taking a callback function, I have to specify
> if it should take a function or delegate even if I don't really care.
> What's the best way to accept either? I cannot see any wrapper for
> something like this in std.typecons.

The simple way:

void callback(int i, void delegate(int) dg)
{
     dg(i);
}

void callback(int i, void function(int) fn)
{
     void wrap(int j)
     {
         function(j);
     }
     callback(i, &wrap);
}