A header-only C++ library that augments the standard library with useful code snippets, focusing on template stuff and a couple preprocessor-based tricks:

• container: a collection of algorithms and augmentations for STL-compatible containers;
• math: a collection of arithmetic convenience functions;
• parameter_pack: helper templates for accessing and manipulating template parameter packs;
• random: helper class for wrapping generator and distribution inside a single class;
• tuple: helper templates for working specifically with std::tuple;
• utility: various convenience functions and macros that are hard to categorize.