/// <summary> Ctor.</summary> /// <param name="op">Arithmetic operator. /// </param> /// <param name="lhs">LHS. /// </param> /// <param name="rhs">RHS. /// </param> public ArithOp(ArithOpImpl op, IExpression lhs, IExpression rhs) { op_ = op; lhs_ = lhs; rhs_ = rhs; }