[Issue 3075] Implement parameter contravariance

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=3075

Walter Bright <bugzilla at digitalmars.com> changed:

           What    |Removed                     |Added
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             Status|RESOLVED                    |REOPENED
         Resolution|INVALID                     |---

--- Comment #28 from Walter Bright <bugzilla at digitalmars.com> ---
Reopened because contravariance really should work.

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