assert_matches

Provides a macro, assert_matches, which tests whether a value matches a given pattern, causing a panic if the match fails.

Documentation

```rust

[macrouse] extern crate assertmatches;

[derive(Debug)]

enum Foo { A(i32), B(i32), }

let a = Foo::A(1);

assertmatches!(a, Foo::A());

assert_matches!(a, Foo::A(i) if i > 0); ```

To include in your project, only when tests are compiled, add the following to your Cargo.toml:

toml [dev-dependencies] assert_matches = "1.4"

And add the following to your crate root:

```rust

[cfg(test)] #[macro_use]

extern crate assert_matches; ```

License

assert_matches is distributed under the terms of both the MIT license and the Apache License (Version 2.0).

See LICENSE-APACHE and LICENSE-MIT for details.