Module snafu::guide::compatibility

Rust version compatibility

SNAFU is tested and compatible back to Rust 1.18, released on 2017-06-08. Compatibility is controlled by Cargo feature flags.

Default

• Targets the current stable version of Rust at the time of release of the crate. Check the Cargo.toml for the exact version.

No features - supports Rust 1.18

• Implements Error and Display.
• Creates context selectors.

rust_1_30 - supports Rust 1.30

• Adds an implementation for Error::source.
• Adds support for re-exporting the Snafu macro directly from the snafu crate.