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[Merged by Bors] - Fix type parameter name conflicts of derive(Bundle) #4636

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[Merged by Bors] - Fix type parameter name conflicts of derive(Bundle) #4636

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infmagic2047
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Objective

This code currently fails to compile with error the name `T` is already used for a generic parameter in this item's generic parameters, because T is also used in code generated by derive(Bundle).

#[derive(Bundle)]
struct MyBundle<T: Component> {
    component: T,
}

Solution

Add double underscores to type parameter names in derive(Bundle).

@github-actions github-actions bot added the S-Needs-Triage This issue needs to be labelled label May 1, 2022
@BoxyUwU BoxyUwU added S-Ready-For-Final-Review This PR has been approved by the community. It's ready for a maintainer to consider merging it A-ECS Entities, components, systems, and events and removed S-Needs-Triage This issue needs to be labelled labels May 1, 2022
@alice-i-cecile
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bors r+

bors bot pushed a commit that referenced this pull request May 2, 2022
@infmagic2047
Fix type parameter name conflicts of derive(Bundle) (#4636)
2c14582 
# Objective

This code currently fails to compile with error ``the name `T` is already used for a generic parameter in this item's generic parameters``, because `T` is also used in code generated by `derive(Bundle)`.

```rust
#[derive(Bundle)]
struct MyBundle<T: Component> {
    component: T,
}
```

## Solution

Add double underscores to type parameter names in `derive(Bundle)`.
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bors bot commented May 2, 2022

Pull request successfully merged into main.

Build succeeded:

@bors bors bot changed the title Fix type parameter name conflicts of derive(Bundle) [Merged by Bors] - Fix type parameter name conflicts of derive(Bundle) May 2, 2022
@bors bors bot closed this May 2, 2022
exjam pushed a commit to exjam/bevy that referenced this pull request May 22, 2022
@infmagic2047 @exjam
Fix type parameter name conflicts of derive(Bundle) (bevyengine#4636)
a7bea59 
# Objective

This code currently fails to compile with error ``the name `T` is already used for a generic parameter in this item's generic parameters``, because `T` is also used in code generated by `derive(Bundle)`.

```rust
#[derive(Bundle)]
struct MyBundle<T: Component> {
    component: T,
}
```

## Solution

Add double underscores to type parameter names in `derive(Bundle)`.
ItsDoot pushed a commit to ItsDoot/bevy that referenced this pull request Feb 1, 2023
@infmagic2047 @ItsDoot
Fix type parameter name conflicts of derive(Bundle) (bevyengine#4636)
5f3818e 
# Objective

This code currently fails to compile with error ``the name `T` is already used for a generic parameter in this item's generic parameters``, because `T` is also used in code generated by `derive(Bundle)`.

```rust
#[derive(Bundle)]
struct MyBundle<T: Component> {
    component: T,
}
```

## Solution

Add double underscores to type parameter names in `derive(Bundle)`.
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@BoxyUwU BoxyUwU BoxyUwU approved these changes

@MrGVSV MrGVSV MrGVSV approved these changes

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@infmagic2047 @alice-i-cecile @BoxyUwU @MrGVSV