Add intro to generated Rust in README

README.md

@@ -145,10 +145,11 @@ processes.
    approve.
 
 When updating the Protobuf files in a pull request, you will also need to update
-the generated Go and Python files, which are hosted in this repository under
-[go/](go/) and [py/](py/). This can be done easily by running `./codegen/update.sh`,
-provided docker is installed and your user is part of the "docker" group
-(which means that the `docker` command can be executed without `sudo`).
+the generated Go, Python and Rust files, which are hosted in this repository
+under [go/](go/), [py/](py/) and [rust/](rust/). This can be done easily by
+running `./codegen/update.sh`, provided docker is installed and your user is
+part of the "docker" group (which means that the `docker` command can be
+executed without `sudo`).
 
 ## Use generated P4Runtime library
 
@@ -177,6 +178,29 @@ pip3 install p4runtime
 pip3 install p4runtime==1.3.0
 ```
 
+### Rust
+
+To include the P4Runtime Rust crate to your project, use the `cargo` command:
+
+```bash
+cargo add p4runtime
+```
+
+Or add the following to your `Cargo.toml` file:
+
+```toml
+[dependencies]
+p4runtime = "1.3.0"
+```
+
+Or add this repository url to your `Cargo.toml` file if you want to use the
+latest version:
+
+```toml
+[dependencies]
+p4runtime = { git = "https://github.com/p4lang/p4runtime.git" }
+```
+
 ## Guidelines for using Protocol Buffers (protobuf) in backwards-compatible ways
 
 P4Runtime generally follows "Live at Head" development principles - new