initial commit

exercises/03_ticket_v1/02_validation/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "validation"
+version = "0.1.0"
+edition = "2021"
+
+[dev-dependencies]
+common = { path = "../../../helpers/common" }
+
+[lints.rust]
+# We silence dead code warnings for the time being in order to reduce
+# compiler noise.
+# We'll re-enable them again once we explain how visibility works in Rust.
+dead_code = "allow"