Initializing a table of delegates with no-op stubs

[Rainer Schuetze]

On 09/01/2020 23:02, H. S. Teoh wrote:
> void dummy(int) {}
> 	struct S {
> 		void function(int) f1 = &dummy; // OK
> 
> 		// But it doesn't work with delegates, no way, no how:
> 		void delegate(int) dg1 = &dummy; // NG
> 		void delegate(int) dg2 = (int) {}; // NG
> 		void delegate(int) dg3 = (int) => dummy(0); // NG
> 	}
> 
[...]
> Am I missing something obvious??
> 

This seems to work:

void noop(int) {}

enum void delegate(int) dg_noop = (int x){ noop(x); };

struct S
{
    void delegate(int) dg = dg_noop;
}