[sdks] Fix README.md

[mono-project.git] / mcs / tests / gtest-136.cs

using System;

namespace Martin {
        public struct A
        {
                public readonly long Data;

                public A (long data)
                {
                        this.Data = data;
                }

                public static explicit operator B (A a)
                {
                        return new B ((int) a.Data);
                }
        }

        public struct B
        {
                public readonly int Data;

                public B (int data)
                {
                        this.Data = data;
                }

                public static implicit operator A (B b)
                {
                        return new A (b.Data);
                }
        }

        class X
        {
                public static void Main ()
                {
                        B? b = new B (5);
                        A? a = b;
                        B? c = (B?) a;
                        B? d = (Martin.B?) a;
                }
        }
}