librust-cassowary-dev 0.3.0-2 (amd64 binary) in ubuntu groovy

 The Cassowary algorithm is designed for naturally laying out user interfaces
 using linear constraints, like 'this button must line up with this text box'.
 .
 This package contains the source for the Rust cassowary crate, packaged by
 debcargo for use with cargo and dh-cargo.