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Previously, if a std::system_error was caught and passed to unpack_error_id, then the 'exc.code()' would be unconditionally converted to an error_id, even if the code did not correspond to an actual error_id value. This effectively prevents reliable use of std::system_error as an exception type. This tweaks to only consider the system_error to be an error_id if the code() of that error matches is_error_id().
Boost LEAF is a lightweight error handling library for C++11.
Official documentation: https://boostorg.github.io/leaf/
Features:
- Small single-header format, no dependencies.
- Designed for maximum efficiency ("happy" path and "sad" path).
- No dynamic memory allocations, even with heavy payloads.
- O(1) transport of arbitrary error types (independent of call stack depth).
- Can be used with or without exception handling.
- Support for multi-thread programming.
Support is available via:
- cpplang on Slack (use the
#boostchannel) - Boost Users Mailing List
- Boost Developers Mailing List
Copyright (c) 2018-2020 Emil Dotchevski and Reverge Studios, Inc.
Distributed under the Boost Software License, Version 1.0.