# fn-traits

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Provides function traits, like [`FnOnce`](https://doc.rust-lang.org/stable/std/ops/trait.FnOnce.html),
[`FnMut`](https://doc.rust-lang.org/stable/std/ops/trait.FnMut.html) and
[`Fn`](https://doc.rust-lang.org/stable/std/ops/trait.Fn.html), but can be used in stable Rust.