LEAF is a C++11 error handling library.

Official documentation: https://zajo.github.io/leaf/

Features:

• Header-only, no dependencies.
• No dynamic memory allocations.
• Associate objects of arbitrary types with any failure -- when it is initially reported or at a later time.
• Compatible with std::error_code, errno and any other error handling API.
• Use with or without exception handling.
• Support for multi-thread programming.

Copyright (c) 2018 Emil Dotchevski. Distributed under the Boost Software License, Version 1.0.

Please post questions and feedback on the Boost Developers Mailing List (LEAF is not part of Boost).