Christian Hughes b4071ca370 Add World::get_resource_or_init as an alternative to World::get_resource_or_insert_with (#15758) ... # Objective If a `Resource` implements `FromWorld` or `Default`, it's nicer to be able to write: ```rust let foo = world.get_resource_or_init::<Foo>(); ``` Rather than: ```rust let foo = world.get_resource_or_insert_with(Foo::default); ``` The latter is also not possible if a type implements `FromWorld` only, and not `Default`. ## Solution Added: ```rust impl World { pub fn get_resource_or_init<R: Resource + FromWorld>(&mut self) -> Mut<'_, R>; } ``` Turns out all current in-engine uses of `get_resource_or_insert_with` are exactly the above, so they've also been replaced. ## Testing - Added a doc-test. - Also added a doc-test for `World::get_resource_or_insert_with`.		2024-10-09 20:56:26 +00:00
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state	Add World::get_resource_or_init as an alternative to World::get_resource_or_insert_with (#15758)	2024-10-09 20:56:26 +00:00
app.rs	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
commands.rs	Rename Add to Queue for methods with deferred semantics (#15234)	2024-09-17 00:17:49 +00:00
condition.rs	remove inaccurate warning from in_state (#13862)	2024-06-16 16:06:45 +00:00
lib.rs	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
reflect.rs	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
state_scoped.rs	impl Reflect + Clone for StateScoped (#14156)	2024-07-08 01:00:04 +00:00
state_scoped_events.rs	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00