minor: Further simplify take_with

helix-view/src/document.rs

@@ -311,8 +311,7 @@ where
     T: Default,
     F: FnOnce(T) -> T,
 {
-    let t = mem::take(mut_ref);
+    *mut_ref = f(mem::take(mut_ref));
-    let _ = mem::replace(mut_ref, f(t));
 }
 
 use helix_lsp::lsp;