C# (CSharp) Nullable.TryGetValue示例

示例#1

        public void TryGetValue()
        {
            int            value;
            Nullable <int> n  = 2;
            Nullable <int> n0 = null;

            Assert.True(n.TryGetValue(out value));
            Assert.Equal(2, value);
            Assert.False(n0.TryGetValue(out value));
            Assert.Equal(default(int), value);
        }