Verified version

annagrin released this 20 Aug 09:02

Main API changes include

explicit not_null contructors (see samples/gsl_transition for ideas on how to move to the new version)
added make_not_null
cleanup of constexpr and noexcept

Test changes:

added tests for c++14 and c++17

Also fixed CppCorecheck warnings and made numerous bug fixes.

Assets 2