rustc-ap-rustc_data_structures 644.0.0

Automatically published version of the package `rustc_data_structures` in the rust-lang/rust repository from commit 0176a9eef845e7421b7e2f7ef015333a41a7c027 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish

Various data structures used by the Rust compiler. The intention is that code in here should be not be specific to rustc, so that it can be easily unit tested and so forth.

Note

This API is completely unstable and subject to change.