Concepts

Here is a list of all concepts with brief descriptions:

Nfe
RBitEnum
RFormattable
RNodeable
RNodeSetable	Like Nodeable, but for a class that spans a set of node kinds instead of a single one
RQueuelike	Something which behaves like std::queue
RStacklike	Something which behaves like std::stack or std::priority_queue
RVectorlike	Something which behaves like std::vector or std::array