svartalf
rust-claim
Rust

Assertion macros toolkit for Rust

Last updated Apr 30, 2026
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Rust 100.0%
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README

claim

Missing assertion macros for Rust

Latest Version Latest Version Build Status Apache 2.0 OR MIT licensed no-std compatible Version compatibility

This crate provides assertion macros that are missing in the Rust libcore / libstd:

* Comparison: assertge, assertgt, assertle, and assertlt * Matching: assert_matches * Result: assertok, asserterr, and assertokeq * Option: assertsome, assertnone, and assertsomeeq * Poll: assertpending, assertready, assertreadyok, assertreadyerr, and assertreadyeq

Installation

Add the following to your Cargo.toml manifest to use this crate for tests, examples and benchmarks:

[dev-dependencies]
claim = "0.5"

Usage

Check out the documentation for available macros and examples.

License

Licensed under either of Apache License 2.0 or MIT license at your option.

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this crate by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

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