Componentpedia / Listings / ena

Last update: 07/09/2025

ena

An implementation of union-find / congruence-closure in Rust. Extracted from rustc for independent experimentation.

Latest version: 0.14.3

Maintenance score

Safety score

Popularity score

This project has been inactive for more than one year

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Security

	Vulnerabilities
Version	Suggest	Low	Medium	High	Critical

0.14.3	0	0	0	0	0
0.14.2	0	0	0	0	0
0.14.1	0	0	0	0	0
0.14.0	0	0	0	0	0
0.13.1	0	0	0	0	0
0.13.0	0	0	0	0	0
0.12.0	0	0	0	0	0
0.11.0	0	0	0	0	0
0.10.1	0	0	0	0	0
0.9.3	0	0	0	0	0
0.9.2	0	0	0	0	0
0.9.1	0	0	0	0	0
0.9.0	0	0	0	0	0
0.8.1	0	0	0	0	0
0.8.0	0	0	0	0	0
0.7.3	0	0	0	0	0
0.7.2	0	0	0	0	0
0.7.1	0	0	0	0	0
0.7.0	0	0	0	0	0
0.6.0	0	0	0	0	0
0.5.0	0	0	0	0	0
0.4.0	0	0	0	0	0
0.3.0	0	0	0	0	0
0.2.0	0	0	0	0	0
0.1.1	0	0	0	0	0
0.1.0	0	0	0	0	0

Stability

Latest release:

0.14.3 - This version may not be safe as it has not been updated for a long time. Find out if your coding project uses this component and get notified of any reported security vulnerabilities with Meterian-X Open Source Security Platform

Licensing

Maintain your licence declarations and avoid unwanted licences to protect your IP the way you intended.

Apache-2.0 - Apache License 2.0

Not a wildcard

Not proprietary

OSI Compliant

MIT - MIT License

Not a wildcard

Not proprietary

OSI Compliant

An implementation of union-find in Rust; extracted from (and used by) rustc.

Name

The name "ena" comes from the Greek word for "one".

Features

By default, you just get the union-find implementation. You can also opt-in to the following experimental features:

bench: use to run benchmarks (cargo bench --features bench)

License

Like rustc itself, this code is dual-licensed under the MIT and Apache licenses. Pull requests, comments, and other contributions are assumed to imply consent to those terms. Moreover, it is understood that any changes here may well be used in rustc itself under the same terms.