rust-rule-engine 1.20.1

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.
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# Core Features

Essential features and capabilities of the Rust Rule Engine.

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## 📚 Available Documentation

### [GRL Syntax](GRL_SYNTAX.md)
Complete reference for the Grule Rule Language syntax.

**Topics:**
- Rule structure and syntax
- Conditions and actions
- Operators and expressions
- Built-in functions
- Best practices

**Use when:** Writing rules in GRL format

### [Features Overview](FEATURES.md)
High-level overview of all engine features.

**Topics:**
- Forward chaining (RETE)
- Backward chaining
- Pattern matching
- Streaming & CEP
- Module system

**Use when:** Understanding what the engine can do

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## 🚀 Coming Soon

### Forward Chaining Guide
Deep dive into RETE algorithm and forward reasoning.

### Pattern Matching Guide
Advanced pattern matching techniques.

### Facts & Working Memory
Managing facts and state effectively.

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## 🔗 Related Documentation

- **[Backward Chaining](../BACKWARD_CHAINING_QUICK_START.md)** - Goal-driven inference
- **[GRL Query Syntax](../api-reference/GRL_QUERY_SYNTAX.md)** - Query language for backward chaining
- **[API Reference](../api-reference/API_REFERENCE.md)** - Complete API documentation

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## Navigation

📚 **[Documentation Home](../README.md)** | 📖 **[Getting Started](../getting-started/QUICK_START.md)**