ftree

14.2K downloads in the last 30 days (475/day). Volume is roughly flat compared to the previous period.

The API has been stable (1.x) for over 2 years with 7 releases. This level of maturity means you can depend on it without worrying about breaking changes.

Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

At 7KB, ftree is lightweight. Small crate size correlates with focused, well-scoped functionality.

Notable dependents include indexset, wdl-lint, wt-indexset, ernst, liquemap. When high-quality crates choose ftree, it's a strong quality signal.