Common Expression Language – Fast, safe expression language
9 months ago
- #security
- #expression-language
- #performance
- Common Expression Language (CEL) is a fast, portable, and safe expression language.
- CEL is designed for embedding in applications with specific extensions.
- Ideal for extending declarative configurations in performance-critical applications.
- Use cases include list filters, validation constraints, and authorization rules.
- CEL evaluates safely and quickly, suitable for frequent evaluation scenarios.
- Best for applications where expressions are evaluated often but modified rarely.
- Example use case: evaluating HTTP requests against security policies.
- CEL overview and language definition available for further exploration.