# Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

- boundary_type : boost::locale::boundary
- display_flags_type : boost::locale::flags
- norm_type : boost::locale
- pattern_type : boost::locale::flags
- period_mark : boost::locale::period::marks
- value_type : boost::locale::flags