# re_span

Part of the [`rerun`](https://github.com/rerun-io/rerun) family of crates.

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An integer range that always has a non-negative length.

The standard `std::ops::Range` can have `start > end`.
Taking a `Range` by argument thus means the callee must check for this eventuality and return an error.

In contrast, `Span` always has a non-negative length, i.e. `len >= 0`.