rust-rule-engine 1.18.0

A blazing-fast Rust rule engine with RETE algorithm, backward chaining inference, and GRL (Grule Rule Language) syntax. Features SIMD/zero-copy/parallel parsing, forward/backward chaining, pattern matching, O(1) rule indexing, TMS, expression evaluation, method calls, streaming with Redis state backend. Production-ready for business rules, expert systems, and real-time decision automation.

Documentation

Builds

rustc 1.95.0-nightly (5c49c4f7c 2026-01-20)
docsrs 0.1.0 (70ee01e6 2026-01-16 )
Jan 21, 2026

rust-rule-engine's sandbox limits

All the builds on docs.rs are executed inside a sandbox with limited resources. The limits for this crate are the following:

Available RAM	6.44 GB
Maximum rustdoc execution time	15 minutes
Maximum size of a build log	102.4 kB
Network access	blocked
Maximum number of build targets	10

If a build fails because it hit one of those limits please open an issue to get them increased.