rust-rule-engine 1.19.0

A blazing-fast Rust rule engine with RETE algorithm, backward chaining inference, and GRL (Grule Rule Language) syntax. Features: forward/backward chaining, pattern matching, unification, O(1) rule indexing, TMS, expression evaluation, method calls, streaming with Redis state backend, watermarking, and custom functions. Production-ready for business rules, expert systems, real-time stream processing, and decision automation.
Documentation 
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rule "TestInOperator" salience 100 {
    when
        Path.name in ["node_modules", "__pycache__", ".pytest_cache"]
    then
        Path.action = "skip";
        Log("Matched with in operator");
}

rule "TestContainsOperator" salience 90 {
    when
        Tags contains "important"
    then
        Log("Contains works");
}