You can find the documentation at http://apolukhin.github.io/stacktrace/index.html and the github repo at https://github.com/apolukhin/stacktrace.
I wonder if basic_stacktrace, currently template <class Allocator> class basic_stacktrace { boost::container::vector<frame, Allocator> impl_; /*...*/ }; would be better of as template < class Container = std::vector<frame> > class basic_stacktrace { static_assert( std::is_same<typename Container::value_type, frame>::value, "The value_type of the Container parameter must be stacktrace::frame" ); Container impl_; /*...*/ }; This still supports the current functionality of replacing the allocator, but it also allows template<size_t N> using fixed_stacktrace = basic_stacktrace<std::array<frame, N>>; which gets us the previous iteration of the library. Fixed storage does have its uses, and while it's possible to use an in-place allocator to get it, this is much easier.