008c156991
# Objective
There are some utility functions for actually working with `Storages` inside `entity_ref.rs` that are used both for `EntityRef/EntityMut` and `World`, with a `// TODO: move to Storages`.
This PR moves them to private methods on `World`, because that's the safest API boundary. On `Storages` you would need to ensure that you pass `Components` from the same world.
## Solution
- move get_component[_with_type], get_ticks[_with_type], get_component_and_ticks[_with_type] to `World` (still pub(crate))
- replace `pub use entity_ref::*;` with `pub use entity_ref::{EntityRef, EntityMut}` and qualified `entity_ref::get_mut[_by_id]` in `world.rs`
- add safety comments to a bunch of methods
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|---|---|---|
| .. | ||
| entity | ||
| query | ||
| schedule | ||
| storage | ||
| system | ||
| world | ||
| archetype.rs | ||
| bundle.rs | ||
| change_detection.rs | ||
| component.rs | ||
| event.rs | ||
| lib.rs | ||
| reflect.rs | ||