id summary reporter owner description type status milestone component version severity resolution keywords cc 12536 Implement small_flat_set and small_flat_map in terms of small_vector. samkellett@… Ion Gaztañaga Currently flat_set and flat_map use a vector as their underlying container type. These two containers can have small space optimised variations that use a small_vector as the underlying type instead. Feature Requests new To Be Determined container Boost 1.61.0 Problem