[Merged by Bors] - add Resources::iter
to iterate over all resource IDs
#6592
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Objective
In bevy 0.8 you could list all resources using
world.archetypes().resource().components()
. As far as I can tell the resource archetype has been replaced with theResources
storage, and it would be nice if it could be used to iterate over all resource component IDs as well.Solution
fn Resources::iter(&self) -> impl Iterator<Item = (ComponentId, &ResourceData)>