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This is the official release of the Result library!

This provides a result-API similar to other modern languages like Rust and Swift

The full API reference for this version can be found here: v1.0.0 API

Features

• result<T,E> for representing fallible types
• result<T&,E> for fallible reference types
• result<void,E> for fallible non-value types (e.g. void returns)
• failure<T> for disambiguation for error types
• failure<T&> for referential access of T types
• Support for comparison operators of result and failure types
• Support for std::hash for result and failure types
• Support for monadic functions for result (map, flat_map, map_error, flat_map_error, value_or, and_then)
• Full constexpr support for result and failure (more constexpr support in C++14 and above)
• Support for CTAD for failure types when working in C++17

Compatibility

This release is compatible with any C++11 compiler or later.

In particular, it's known to be compatible with the following compilers:

• GCC: 5, 6, 7, 8, 9, 10
• Clang: 3.5, 3.6, 3.7, 3.8, 3.9, 4, 5, 6, 7, 8, 9, 10, 11
• Apple Clang (Xcode) 10.3, 11.2, 11.3, 12.3
• Visual Studio 2017^[1], 2019

^{[1] Visual Studios 2017 is officially supported, though toolchain 14.16 has some issues properly compiling map_error due to insufficient support for SFINAE.}

Pre-release to test conan release workflow

This pre-release is to test the conan deployment workflow.