Basic LazyString to help with Glass codegen + usage

LazyString

    public class GlassLazy<T> : Lazy<T>
    {
        public GlassLazy(Func<object> lazy) : base(() => (T)lazy())
        {
        }

        public override string ToString()
        {
            return Value.ToString();
        }

        public static implicit operator T(GlassLazy<T> lazy)
        {
            return lazy != null ? lazy.Value : default(T);
        }

        public static implicit operator GlassLazy<T>(T value)
        {
            return new GlassLazy<T>(() => value);
        }
    }
    
    [TestFixture]
    public class LazyStringTests
    {
        [Test]
        public void LazyString_implicitly_converts_to_string()
        {
            // Arrange
            GlassLazy<string> lazyString = new GlassLazy<string>(() => "Test String");

            // Assert
            Assert.AreEqual("Test String", lazyString.ToString());
            Assert.IsTrue(lazyString == "Test String");
        }

        [Test]
        public void LazyString_implicitly_converts_from_string()
        {
            // Arrange
            string target = "Test String";

            // Act
            GlassLazy<string> lazyString = target;

            // Assert
            Assert.AreEqual("Test String", lazyString.ToString());
            Assert.IsTrue(lazyString == "Test String");
        }

        [Test]
        public void LazyString_evaluates_when_null()
        {
            // Arrange
            GlassLazy<string> lazyString = null;
            
            // Act
            string assigned = lazyString;

            // Assert
            Assert.IsNull(assigned);
        }
    }