Crate of the Week

[jhpratt]

Thank you @taiki-e!

Cargo-llvm-cov: Cargo subcommand to easily use LLVM source-based code coverage

This is a wrapper around rustc -Z instrument-coverage and provides: Generate very precise coverage data. (line coverage and region coverage) Support for proc-macro, including coverage of UI tests. Support for doc tests. (this is currently optional, see readme for more) Command-line interface compatible with cargo test.