Ejemplo n.º 1
0
        private static Func <T, int> MakeGetHashCodeNotNull <T>()
            where T : struct
        {
            var param = Expression.Parameter(typeof(T), "input");

            return(Expression.Lambda <Func <T, int> >(NullSafetyExpression.Create(param, p => p.Call(nameof(GetHashCode))), param).Compile());
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Creates a new safe navigation expression.
        /// </summary>
        /// <param name="target">The expression that is guarded by <see langword="null"/> check.</param>
        /// <param name="body">The body to be executed if <paramref name="target"/> is not <see langword="null"/>. </param>
        /// <returns>The expression representing safe navigation.</returns>
        public static NullSafetyExpression Create(Expression target, Func <ParameterExpression, Expression> body)
        {
            var result = new NullSafetyExpression(target);

            result.Body = body(result.Target);
            return(result);
        }
Ejemplo n.º 3
0
        private static Func <T, string> MakeToString <T>()
        {
            var param = Expression.Parameter(typeof(T), "input");

            return(Expression.Lambda <Func <T, string> >(NullSafetyExpression.Create(param, p => p.Call(nameof(ToString))), param).Compile());
        }