ABT.BinaryLogicalOp.BinaryLogicalOp C# (CSharp) Метод

        protected BinaryLogicalOp(Expr left, Expr right)
            : base(left, right) {
            if (!(left.Type is LongType || left.Type is ULongType
                  || left.Type is FloatType || left.Type is DoubleType)) {
                throw new InvalidOperationException("Invalid operand type.");
            }
            if (!(right.Type is LongType || right.Type is ULongType
                  || right.Type is FloatType || right.Type is DoubleType)) {
                throw new InvalidOperationException("Invalid operand type.");
            }
        }