git.delta.rocks / unique-network / refs/commits / d837c88ea76e

--- /dev/null
+++ b/crates/struct-versioning/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "struct-versioning"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+syn = { version = "1.0", features = ["full"] }
+quote = "1.0.15"
+
+[lib]
+proc-macro = true

no content

--- /dev/null
+++ b/crates/struct-versioning/tests/upper.rs
@@ -0,0 +1,17 @@
+use struct_versioning::versioned;
+
+#[versioned(version = 2, upper)]
+#[derive(Debug, PartialEq)]
+struct MyStruct {
+	#[version(..2)]
+	v: u32,
+	#[version(2.., upper(v as u64 + 1))]
+	v: u64,
+}
+
+#[test]
+fn test() {
+	let old = MyStructVersion1 { v: 1 };
+	let new = MyStructVersion2::from(old);
+	assert_eq!(new.v, 2);
+}