Exhaust(ive iteration for Rust)
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`exhaust` is a Rust library which provides the `Exhaust` trait, which can be used to iterate over **all possible values of a type** that implements it. Implementations are provided for standard library types, and derive macros are available to allow easy implementation for user-defined types.

Exhaustive iteration may be useful for exhaustive testing, working with enums, and solving constraints by brute-force search.

`exhaust` is `no_std` compatible with default features disabled. The `alloc` and `std` features add implementations for the corresponding standard library crates.

License
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Licensed under either of

 * Apache License, Version 2.0
   ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
 * MIT license
   ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)

at your option.

Contribution
------------

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