init

petri/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "petri"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

petri/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);
+	}
+}