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# safe_index

Zero-cost-wraps `usize`-s to give them a specific type. The motivation is to have different kinds of
indices that are incompatible at type-level, thus lowering the chance of mixing them up compared to
using `usize`-s.

Index-type creation is done through a macro, so the type actually belong to the client crate. This lets users augment index-types with methods, trait implementations, *etc.*

See the [documentation] for details.

If you are experiencing problems upgrading from a version `< 0.9.17`, make sure you read the
[changelog][changelog 0.9.17].

[documentation]: https://docs.rs/safe_index (safe_index's documentation)
[changelog 0.9.17]: https://github.com/AdrienChampion/safe_index/blob/master/changelog.md#v0917