std_e (for "standard extended") is a C++ library. It contains general-purpose data structures and algorithms (multi-dimensional arrays, graph algorithms, utilities...).

The documentation can be found here

1. git clone https://gitlab.onera.net/informatics/algo/std_e
2. cd std_e
3. git submodule update --init (needed to retrieve submodules)
4. Use cmake to configure, build and install

std_e is available under the MPL-2.0 license.