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## Problem - The `Query` struct does not provide an easy way to check if it is empty. - Specifically, users have to use `.iter().peekable()` or `.iter().next().is_none()` which is not very ergonomic. - Fixes: #2270 ## Solution - Implement an `is_empty` function for queries to more easily check if the query is empty. |
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| component | ||
| entity | ||
| query | ||
| schedule | ||
| storage | ||
| system | ||
| world | ||
| archetype.rs | ||
| bundle.rs | ||
| change_detection.rs | ||
| event.rs | ||
| lib.rs | ||
| reflect.rs | ||