Given an object, how to call an alias to a member function on it?

[ag0aep6g]

On 03.05.23 13:13, Nick Treleaven wrote:
> On Tuesday, 2 May 2023 at 13:06:41 UTC, ag0aep6g wrote:
>> void fun(alias method)(C c)
>> {
>>     void delegate() dg;
>>     dg.funcptr = &method;
>>     dg.ptr = cast(void*) c;
>>     dg();
>> }
> 
> This also works:
> 
> void fun(alias method)(C c)
> {
>      void delegate() dg = &c.method;
>      dg();
> }
> 

No, it doesn't. You're not using the alias. You're just accessing 
`c.method` directly. If the actual method weren't called "method", you'd 
get an error.