[Issue 13247] switch doesn't work with pointers to functions. Also casting pointers to functions to integers doesn't work during compilation.

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13247

--- Comment #1 from Sobirari Muhomori <dfj1esp02 at sneakemail.com> ---
How can it work? Function addresses are not compile-time constants. Sometimes
they are runtime values.

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