[Issue 3075] void delegate(const(void)[]) should be implicitly convertable to void delegate(void[])

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http://d.puremagic.com/issues/show_bug.cgi?id=3075





--- Comment #18 from Sobirari Muhomori <maxmo at pochta.ru>  2009-07-13 01:42:00 PDT ---
Now I see how this can be connected with delegate casting, but what this has to
do with overloading?
So now contravariance is not supported at all for overloading? Only exact
match? I don't see how this can conflict with function casting. Aren't the
contextes different? In the context of overloading check for exact match, in
the context of overload resolution check for implicit cast as for any other
type. They hardly can clash, only if the compiler is written so that they
clash.
I suppose no algorithm for implicit function casting was written. It seems it
only needs to be written, though I'm not familiar with compiler intrinsics, so
I can lose some important details :)

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