cel-rust
A Rust implementation of the Common Expression Language (CEL) for lightweight, safe expression evaluation.
What is cel-rust?
cel-rust is a Rust implementation of the Common Expression Language (CEL), a non-Turing complete language designed for lightweight expression evaluation. It provides a safe, sandboxed environment for evaluating expressions in Rust applications, solving the need for performant and secure expression parsing without the overhead of a full scripting language.
Rust developers who need to evaluate user-defined expressions, rules, or conditions in their applications, particularly in contexts where safety, performance, and simplicity are critical.
Developers choose cel-rust because it offers a robust, specification-compliant CEL interpreter in Rust, combining the safety of a non-Turing complete language with Rust's performance and memory safety, making it ideal for high-stakes environments like policy evaluation or configuration parsing.
Overview
Common Expression Language interpreter written in Rust
Use Cases
Best For
- Evaluating security or access control policies in Rust applications
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