Cut down on macro nonsense

- InertAtomic replaced atomic_inert! for improved tooling support
- atomic_defaults! is easier to type out than to explain in a docstring
- Changed rustfmt config to better support tiny functions such as as_any

src/pipeline/file_loader.rs

@@ -44,9 +44,7 @@ pub enum Loaded {
 }
 impl Loaded {
   /// Is the loaded item source code (not a collection)?
-  pub fn is_code(&self) -> bool {
-    matches!(self, Loaded::Code(_))
-  }
+  pub fn is_code(&self) -> bool { matches!(self, Loaded::Code(_)) }
 }
 
 /// Returned by any source loading callback