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[Merged by Bors] - Allows conversion of mutable queries to immutable queries #5376

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Objective

Solution

  • Add to_readonly method on Query, which uses QueryState::as_readonly
  • AsRef is not feasible because creation of new queries is needed.

Changelog

Added

  • Allows conversion of mutable queries to immutable queries using Query::to_readonly.

@harudagondi harudagondi changed the title Query as ref Allows conversion of mutable queries to immutable queries Jul 19, 2022
crates/bevy_ecs/src/system/query.rs Outdated Show resolved Hide resolved
@alice-i-cecile alice-i-cecile added C-Enhancement A new feature A-ECS Entities, components, systems, and events C-Usability A simple quality-of-life change that makes Bevy easier to use and removed C-Enhancement A new feature labels Jul 19, 2022
@alice-i-cecile alice-i-cecile self-requested a review July 19, 2022 13:41
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Some better docs for you, but once those are in this LGTM! I love how easy this was to write.

@alice-i-cecile alice-i-cecile added the S-Ready-For-Final-Review This PR has been approved by the community. It's ready for a maintainer to consider merging it label Jul 19, 2022
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bors r+

bors bot pushed a commit that referenced this pull request Jul 20, 2022
# Objective

- Allows conversion of mutable queries to immutable queries.
- Fixes #4606

## Solution

- Add `to_readonly` method on `Query`, which uses `QueryState::as_readonly`
- `AsRef` is not feasible because creation of new queries is needed.

---

## Changelog

### Added

- Allows conversion of mutable queries to immutable queries using `Query::to_readonly`.
@bors bors bot changed the title Allows conversion of mutable queries to immutable queries [Merged by Bors] - Allows conversion of mutable queries to immutable queries Jul 20, 2022
@bors bors bot closed this Jul 20, 2022
inodentry pushed a commit to IyesGames/bevy that referenced this pull request Aug 8, 2022
…#5376)

# Objective

- Allows conversion of mutable queries to immutable queries.
- Fixes bevyengine#4606

## Solution

- Add `to_readonly` method on `Query`, which uses `QueryState::as_readonly`
- `AsRef` is not feasible because creation of new queries is needed.

---

## Changelog

### Added

- Allows conversion of mutable queries to immutable queries using `Query::to_readonly`.
james7132 pushed a commit to james7132/bevy that referenced this pull request Oct 28, 2022
…#5376)

# Objective

- Allows conversion of mutable queries to immutable queries.
- Fixes bevyengine#4606

## Solution

- Add `to_readonly` method on `Query`, which uses `QueryState::as_readonly`
- `AsRef` is not feasible because creation of new queries is needed.

---

## Changelog

### Added

- Allows conversion of mutable queries to immutable queries using `Query::to_readonly`.
ItsDoot pushed a commit to ItsDoot/bevy that referenced this pull request Feb 1, 2023
…#5376)

# Objective

- Allows conversion of mutable queries to immutable queries.
- Fixes bevyengine#4606

## Solution

- Add `to_readonly` method on `Query`, which uses `QueryState::as_readonly`
- `AsRef` is not feasible because creation of new queries is needed.

---

## Changelog

### Added

- Allows conversion of mutable queries to immutable queries using `Query::to_readonly`.
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A-ECS Entities, components, systems, and events C-Usability A simple quality-of-life change that makes Bevy easier to use S-Ready-For-Final-Review This PR has been approved by the community. It's ready for a maintainer to consider merging it
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Cast query of mutable components to query of immutable
3 participants