How to dispatch a class function for an object accessed by handle?
Steven Schveighoffer
schveiguy at gmail.com
Thu Mar 5 14:46:24 UTC 2020
On 3/5/20 9:24 AM, wjoe wrote:
>
> but how can I call fn in the context of an object instance?
You could do it with delegates. But it's ugly:
import std.stdio;
class C
{
void foo() { writeln("Yup");}
}
void main()
{
alias f = C.foo;
auto c = new C;
void delegate() dg;
dg.funcptr = &f;
dg.ptr = cast(void*)c;
dg(); // prints "Yup"
}
I don't know of a way to call f with c aside from this.
-Steve
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