import std.stdio: writeln;

​

int EnumWindowsSimulator(int function(void*, void*) f, void* params)

{

    f(cast(void*) 0, params);

    f(cast(void*) 1, params);

    return 0;

}

​

void main() {

    void*[] hWndList;

​

    EnumWindowsSimulator((void* hWnd, void* lparam) nothrow {

        *(cast(void*[] *) lparam) ~= hWnd; return true;

    }, &hWndList);

​

    writeln(hWndList);

}