[Issue 16572] can't take inout delegate

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16572

--- Comment #2 from anonymous4 <dfj1esp02 at sneakemail.com> ---
A small interaction between contravariance and inout here:
inout(A) f(inout B b) inout;
If you resolve the type as A delegate(B) you can't pass const(B) as argument.

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