Lines Matching refs:std
51 MathExpr(std::string expr);
53 typedef std::function<double(std::string)> EvalCallback;
60 std::string toStr() const { return toStr(root, ""); }
88 std::array<OpSearch, uNeg + 1> ops;
93 std::string toStr() const {
101 return std::to_string(value);
103 return std::string(1, opStr[op]);
110 std::string variable;
117 Node *parse(std::string expr);
120 std::string toStr(Node *n, std::string prefix) const;