[Mono-bugs] [Bug 493523] New: Nullable and user-defined operator

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Thu Apr 9 04:39:14 EDT 2009


           Summary: Nullable and user-defined operator
    Classification: Mono
           Product: Mono: Compilers
           Version: unspecified
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: C#
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: msafar at novell.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---

This should compile and run without error/exception.

using System;

struct S
    public static void Main ()
        S? s = null;
        A a = s;
        B b = (B) s;

class A
    public static implicit operator A (S x)
        return new B ();

class B : A

- Will probably have to create LiftedUserOperator to emit EmitCheck.
- How does it work with ET?

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