Feat: Clean up repo a bit

packages/core/src/arena.rs

@@ -0,0 +1,48 @@
+use std::{cell::UnsafeCell, collections::HashMap};
+
+use generational_arena::Arena;
+
+use crate::innerlude::*;
+
+pub struct ScopeArena {
+    pub(crate) arena: UnsafeCell<Arena<Scope>>,
+    locks: HashMap<ScopeIdx, MutStatus>,
+}
+
+enum MutStatus {
+    Immut,
+    Mut,
+}
+
+impl ScopeArena {
+    pub fn new(arena: Arena<Scope>) -> Self {
+        Self {
+            arena: UnsafeCell::new(arena),
+            locks: Default::default(),
+        }
+    }
+
+    pub fn get(&self, idx: ScopeIdx) -> Result<&Scope> {
+        todo!()
+    }
+
+    pub fn get_mut(&self, idx: ScopeIdx) -> Result<&Scope> {
+        todo!()
+    }
+
+    fn inner(&self) -> &Arena<Scope> {
+        todo!()
+    }
+
+    fn inner_mut(&mut self) -> &mut Arena<Scope> {
+        todo!()
+    }
+
+    pub fn with<T>(&mut self, f: impl FnOnce(&mut Arena<Scope>) -> T) -> T {
+        todo!()
+    }
+
+    unsafe fn inner_unchecked<'s>() -> &'s mut Arena<Scope> {
+        todo!()
+    }
+}