Small header-only library with fixed data structures and utilities. Uses C++ 20 and depends on STL only. There is also a freezed branch that supports c++17: cpp17.
In a few words
ass::FixedBitset- same asstd::bitsetbut can be used in constexpr context.ass::FixedUnorderedMap- fixed unordered map.ass::EnumSet- set of enumeration values.ass::EnumMap- fixed map with enum keys.