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[Merged by Bors] - Fix unsoundness in Query::for_each_mut #2045

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2 changes: 1 addition & 1 deletion crates/bevy_ecs/src/system/query.rs
Original file line number Diff line number Diff line change
Expand Up @@ -206,7 +206,7 @@ where
/// Runs `f` on each query result. This is faster than the equivalent iter() method, but cannot
/// be chained like a normal [`Iterator`].
#[inline]
pub fn for_each_mut(&self, f: impl FnMut(<Q::Fetch as Fetch<'w>>::Item)) {
pub fn for_each_mut(&mut self, f: impl FnMut(<Q::Fetch as Fetch<'w>>::Item)) {
// SAFE: system runs without conflicts with other systems. same-system queries have runtime
// borrow checks when they conflict
unsafe {
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