ABT.LogicalNot.LogicalNot C# (CSharp) Method

        public LogicalNot(Expr expr)
            : base(expr) {
            if (!(expr.Type is LongType || expr.Type is ULongType
                  || expr.Type is FloatType || expr.Type is DoubleType)) {
                throw new InvalidOperationException("Invalid operand type.");
            }
        }