From 77e0e30f6faedadae3ff57f2b3abb0548a6a27f1 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Fri, 16 Aug 2024 19:30:06 +0200
Subject: fix(ecs): prevent nested queries causing panic

---
 ecs/src/util.rs | 50 --------------------------------------------------
 1 file changed, 50 deletions(-)

(limited to 'ecs/src/util.rs')

diff --git a/ecs/src/util.rs b/ecs/src/util.rs
index 5ec21c7..f4f8632 100644
--- a/ecs/src/util.rs
+++ b/ecs/src/util.rs
@@ -1,6 +1,3 @@
-use std::cell::Ref;
-use std::ops::{Deref, DerefMut};
-
 pub trait Sortable
 {
     type Item;
@@ -49,50 +46,3 @@ impl<Item> Sortable for Vec<Item>
         self.sort_by_key(func)
     }
 }
-
-#[derive(Debug)]
-pub struct RefCellRefMap<'a, Value: 'a, MappedValue: 'a>
-{
-    mapped_value: MappedValue,
-    _refcell_ref: Ref<'a, Value>,
-}
-
-impl<'a, Value: 'a, MappedValue: 'a> RefCellRefMap<'a, Value, MappedValue>
-{
-    pub fn new(
-        refcell_ref: Ref<'a, Value>,
-        map_fn: impl Fn(&'a Value) -> MappedValue,
-    ) -> Self
-    {
-        // Convert the lifetime to 'static. This is necessary to make the compiler not
-        // complain about refcell_ref being moved
-        //
-        // SAFETY: This is fine since we pass it to map_fn with the original lifetime 'a
-        let val_ref = unsafe { &*(&*refcell_ref as *const Value) };
-
-        let mapped_value = map_fn(val_ref);
-
-        Self {
-            mapped_value,
-            _refcell_ref: refcell_ref,
-        }
-    }
-}
-
-impl<'a, Value: 'a, MappedValue: 'a> Deref for RefCellRefMap<'a, Value, MappedValue>
-{
-    type Target = MappedValue;
-
-    fn deref(&self) -> &Self::Target
-    {
-        &self.mapped_value
-    }
-}
-
-impl<'a, Value: 'a, MappedValue: 'a> DerefMut for RefCellRefMap<'a, Value, MappedValue>
-{
-    fn deref_mut(&mut self) -> &mut Self::Target
-    {
-        &mut self.mapped_value
-    }
-}
-- 
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