use while-let

Author: y21

clippy_lints/src/useless_conversion.rs

@@ -95,14 +95,11 @@ fn into_iter_call<'hir>(cx: &LateContext<'_>, expr: &'hir Expr<'hir>) -> Option<
 ///  ^^^  we want this expression
 fn into_iter_deep_call<'hir>(cx: &LateContext<'_>, mut expr: &'hir Expr<'hir>) -> Option<(&'hir Expr<'hir>, usize)> {
     let mut depth = 0;
-    loop {
-        if let Some(recv) = into_iter_call(cx, expr) {
-            expr = recv;
-            depth += 1;
-        } else {
-            return Some((expr, depth));
-        }
+    while let Some(recv) = into_iter_call(cx, expr) {
+        expr = recv;
+        depth += 1;
     }
+    Some((expr, depth))
 }
 
 #[expect(clippy::too_many_lines)]