@asifamin13 commented on this pull request.

+ static Length& GetLength(Bracket &bracket) { + return std::get<0>(bracket); + } + static Order& GetOrder(Bracket &bracket) { + return std::get<1>(bracket); + } + + static const Length& GetLength(const Bracket &bracket) { + return std::get<0>(bracket); + } + static const Order& GetOrder(const Bracket &bracket) { + return std::get<1>(bracket); + } +}; +

this was from a standard template I use, fixed