fix locking logic

patch-db-derive/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "patch-db-derive"
+version = "0.1.0"
+authors = ["Aiden McClelland <me@drbonez.dev>"]
+edition = "2018"
+description = "derive macros for defining typed patch dbs"
+license = "MIT"
+repository = "https://github.com/dr-bonez/patch-db"
+
+[lib]
+proc-macro = true
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+patch-db-derive-internals = { path = "../patch-db-derive-internals" }
+syn = "1.0.62"

patch-db-derive/src/lib.rs

@@ -0,0 +1,13 @@
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+
+#[proc_macro_derive(Model, attributes(serde))]
+pub fn model_derive(input: TokenStream) -> TokenStream {
+    // Construct a representation of Rust code as a syntax tree
+    // that we can manipulate
+    let ast = syn::parse(input).unwrap();
+
+    // Build the trait implementation
+    patch_db_derive_internals::build_model(&ast).into()
+}