e7333510c3
# Objective
The Bevy API around manipulating hierarchies removes `Children` if the
operation results in an entity having no children. This means that
`Children` is guaranteed to hold actual children. However, the following
code unexpectedly inserts empty `Children`:
```rust
commands.entity(entity).with_children(|_| {});
```
This was discovered by @Jondolf:
https://discord.com/channels/691052431525675048/1124043933886976171/1257660865625325800
## Solution
- `with_children` is now a noop when no children were passed
## Testing
- Added a regression test
|
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|---|---|---|
| .. | ||
| components | ||
| child_builder.rs | ||
| events.rs | ||
| hierarchy.rs | ||
| lib.rs | ||
| query_extension.rs | ||
| valid_parent_check_plugin.rs | ||