From dfafe1ec0c590788400e5e92cd92370da00be245 Mon Sep 17 00:00:00 2001
From: nacho <idelvall@brutusin.org>
Date: Mon, 30 Oct 2023 21:10:57 +0100
Subject: [PATCH] add usage

---
 rust/README.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/rust/README.md b/rust/README.md
index fe6fe0d..e2792b9 100644
--- a/rust/README.md
+++ b/rust/README.md
@@ -6,6 +6,18 @@ Earthly's official collection of rust [UDCs](https://docs.earthly.dev/docs/guide
 
 This UDC runs the cargo command `cargo $args` caching the contents of `$CARGO_HOME/registry`, `$CARGO_HOME/git` and `target` for future builds of the same calling target. 
 
+### Usage
+
+First, import the UDC up in your Earthfile:
+```earthfile
+IMPORT github.com/earthly/lib/rust:<version/commit> AS rust
+```
+
+Then, just use it in your own targets and UDCs:
+```earthfile
+DO rust+CARGO ...
+```
+
 ### Arguments
 
 #### `args`