Make graphene_core no_std

node-graph/borrow_stack/Cargo.toml

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

node-graph/borrow_stack/src/lib.rs

@@ -0,0 +1,20 @@
+trait BorrowStack {
+    type Item;
+    unsafe fn push(&mut self, T) -> &Item;
+    unsafe fn pop(&mut self) -> T;
+    unsafe fn get(&self) -> &T;
+
+}
+
+struct BorrowStack<S> {
+    data: S,
+}
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+        let result = 2 + 2;
+        assert_eq!(result, 4);
+    }
+}