[Mono-bugs] [Bug 321674] [generics] runtime should support Covariant / Contravariant generic parameters

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Tue May 26 14:12:25 EDT 2009


User rkumpera at novell.com added comment

Rodrigo Kumpera <rkumpera at novell.com> changed:

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--- Comment #3 from Rodrigo Kumpera <rkumpera at novell.com>  2009-05-26 12:12:24 MDT ---
May I ask why?

Implementing the current ECMA behavior is a terrible idea because it features
non deterministic dispatch in case of ambiguous types.

Implementing the MS behavior is a disaster on itself as it's not documented and
lore say it's non deterministic too.

Also there is the issue that right now no major language ships with support for

FX 4 is on beta and won't be ready for quite some time, so I see no reason to
implement now whatever we decide to.

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