Delegate / Error: cannot implicitly convert expression...

[user1234]

On Saturday, 15 June 2019 at 17:42:04 UTC, ag0aep6g wrote:
> On Saturday, 15 June 2019 at 17:24:45 UTC, user1234 wrote:
>> ---
>> void foo(){writeln(__PRETTY_FUNCTION__);}
>>
>> void main(string[] args)
>> {
>>     void delegate() dg;
>>     dg.funcptr = &foo;
>>     dg.ptr = null; // usually a "this" or a frame address
>>     dg();
>> }
>> ---
>>
>> because dg.ptr would be used to retrieve the offset of the 
>> locals variable used in the parent stack or the address of a 
>> class instance (the this). But this is not required at all 
>> here. The opposite way would lead to various access violation.
>
> That only works because foo doesn't have any parameters. When 
> you add even just one, things will go wrong.

True if was forgetting that the context is a hidden parameter...
Maybe it depends on the calling convention too ?