boost/leaf

mirror of https://github.com/boostorg/leaf.git synced 2026-01-19 16:32:08 +00:00

Files

Emil Dotchevski 56b247d71a Significant refactoring:

- Support for error objects crossing DLL boundaries on Windows via BOOST_LEAF_CFG_WIN32=2.
- Internal TLS interface improvements, separating logical allocation from reading.
- Dynamic allocations (if enabled) for on_error objects now happens before stack unwinding begins.
- BOOST_LEAF_SYMBOL_VISIBLE declarations now separated in config/visibility.hpp.

2025-12-23 17:31:52 -05:00

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LEAF

A lightweight error handling library for C++11.

Documentation

https://boostorg.github.io/leaf/

Features

Portable single-header format, no dependencies.
Tiny code size, configurable for embedded development.
No dynamic memory allocations, even with very large payloads.
Deterministic unbiased efficiency on the "happy" path and the "sad" path.
Error objects are handled in constant time, independent of call stack depth.
Can be used with or without exception handling.

Support

cpplang on Slack (use the #boost channel)
Boost Users Mailing List
Boost Developers Mailing List

Distribution

Besides GitHub, there are two other distribution channels:

LEAF is included in official Boost releases, starting with Boost 1.75.
For maximum portability, the library is also available in single-header format: leaf.hpp.

Copyright 2018-2025 Emil Dotchevski and Reverge Studios, Inc. Distributed under the http://www.boost.org/LICENSE_1_0.txt[Boost Software License, Version 1.0].