added bare rust project

.gitignore

@@ -0,0 +1 @@
+pirates/target

justfile

@@ -0,0 +1,7 @@
+build-rust:
+    cargo build --manifest-path pirates/Cargo.toml --target wasm32-unknown-unknown --release
+
+minify-rust: build-rust
+    wasm-strip pirates/target/wasm32-unknown-unknown/release/pirates.wasm
+    wasm-opt -o pirates/target/wasm32-unknown-unknown/release/pirates-opt.wasm -Oz pirates/target/wasm32-unknown-unknown/release/pirates.wasm
+    

pirates/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "pirates"
+version = "0.1.0"

pirates/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "pirates"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]

pirates/src/lib.rs

@@ -0,0 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}