autocommit 2022-02-14 21:13:42 CET

src/utils/stack.rs

@@ -0,0 +1,28 @@
+use std::cell::UnsafeCell;
+use crate::utils::ptr_ext::MutPtrExt;
+
+pub struct Stack<T> {
+    vec: UnsafeCell<Vec<T>>,
+}
+
+impl<T> Default for Stack<T> {
+    fn default() -> Self {
+        Self {
+            vec: Default::default(),
+        }
+    }
+}
+
+impl<T> Stack<T> {
+    pub fn push(&self, v: T) {
+        unsafe {
+            self.vec.get().deref_mut().push(v);
+        }
+    }
+
+    pub fn pop(&self) -> Option<T> {
+        unsafe {
+            self.vec.get().deref_mut().pop()
+        }
+    }
+}