delegate to shared member function

[Benjamin Thaut]

I'm currently trying to pass a delegate to a shared member function to a 
function. The compiler tells me that the type I'm passing is
(void delegate(const const(char[]) str) shared)

When I try to use this as type for the function argument, it does not 
accept it. I tried various combinations but couldn't find one that does 
work.

So what is the correct syntax for a delegate to a shared member function?
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Kind Regards
Benjamin Thaut