# `prost-validate-derive` This crate provides a derive macro for the [`prost-validate`](../prost-reflect-validate/README.md) crate to generate validation code for protobuf messages. *This crate is intended to be used by [`prost-validate-build`](../prost-validate-build/README.md) in a `build.rs` script.* *It is not intended to be used by end users directly.*