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https://github.com/bevyengine/bevy
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7cb97852a5
# Objective
```rust
// Currently:
builder.add_after::<FooPlugin, _>(BarPlugin);
// After this PR:
builder.add_after::<FooPlugin>(BarPlugin);
```
This removes some weirdness and better parallels the rest of the
`PluginGroupBuilder` API.
## Solution
Define a helper method `type_id_of_val` to use in `.add_before` and
`.add_after` instead of `TypeId::of::<T>` (which requires the plugin
type to be nameable, preventing `impl Plugin` from being used).
## Testing
Ran `cargo run -p ci lints` successfully.
## Migration Guide
Removed second generic from `PluginGroupBuilder` methods: `add_before`
and `add_after`.
```rust
// Before:
DefaultPlugins
.build()
.add_before::<WindowPlugin, _>(FooPlugin)
.add_after::<WindowPlugin, _>(BarPlugin)
// After:
DefaultPlugins
.build()
.add_before::<WindowPlugin>(FooPlugin)
.add_after::<WindowPlugin>(BarPlugin)
```
---------
Co-authored-by: BD103 <59022059+BD103@users.noreply.github.com>
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