Custom hashmap keys via `MapKey` trait

NiklasEi / bevy_asset_loader

Bevy plugin helping with asset loading and organization

Apache License 2.0

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Closed tguichaoua closed 5 months ago

tguichaoua commented 5 months ago

Introduce a new trait MapKey to use any type as key for mapped asset collection
The behaviour for String hasn't changed
Add Box<str> as possible key (same behaviour as String)
Add FileName and FileStem as possible key type that respectively use Path::file_name and Path::file_stem as key value.

NiklasEi commented 5 months ago

I really like this implementation, thank you. Especially support for file name and file stem will be very helpful I think.

One thing we should probably document with this: map keys can clash and it is up to the user that there are no collisions. E.g. with a structure like

folder
    subfolder_a
        file.png
    subfolder_b
        file.png

FileName and FileStem keys will clash leading to only one asset being loaded.