rustc-ap-rustc_span 643.0.0

Automatically published version of the package `rustc_span` in the rust-lang/rust repository from commit dc4242d9052a42cdf329c3a2430d02a3b3d415cb The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish

The source positions and related helper functions.

Note

This API is completely unstable and subject to change.