Crate platforms

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Rust platform registry: provides programmatic access to information about valid Rust platforms

This crate provides an interface to the platform data canonically sourced from the Rust compiler:

§Minimum Supported Rust Version

Rust 1.40 or higher.

Minimum supported Rust version can be changed in the future, but it will be done with a minor version bump.



  • Rust platforms
  • Target cfg attributes. Documented in the “Conditional compilation” section of the Rust reference: