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bevy/crates/bevy_transform
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Christian Hughes f87b9fe20c
Turn apply_deferred into a ZST System (#16642) 
# Objective

- Required by #16622 due to differing implementations of `System` by
`FunctionSystem` and `ExclusiveFunctionSystem`.
- Optimize the memory usage of instances of `apply_deferred` in system
schedules.

## Solution

By changing `apply_deferred` from being an ordinary system that ends up
as an `ExclusiveFunctionSystem`, and instead into a ZST struct that
implements `System` manually, we save ~320 bytes per instance of
`apply_deferred` in any schedule.

## Testing

- All current tests pass.

---

## Migration Guide

- If you were previously calling the special `apply_deferred` system via
`apply_deferred(world)`, don't.
2024-12-05 18:14:05 +00:00
..
src Turn apply_deferred into a ZST System (#16642) 2024-12-05 18:14:05 +00:00
Cargo.toml Remove thiserror from bevy_transform (#15761) 2024-10-09 14:27:30 +00:00
README.md Add README.md to all crates (#13184) 2024-05-02 18:56:00 +00:00

README.md

Bevy Transform

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This crate contains types and functions associated with the Transform component.