1 // CS1956: The interface method `I<string>.M(out string)' implementation is ambiguous between following methods: `A<string,string>.M(out string)' and `A<string,string>.M(ref string)' in type `Test'
3 // Compiler options: -warnaserror
12 public virtual void M (out T t)
17 public virtual void M (ref U u)
22 class Test : A<string, string>, I<string>
26 I<string> x = new Test ();