more Use->DropTemps fixes

Author: matthiaskrgr

clippy_lints/src/utils/author.rs

@@ -497,7 +497,7 @@ impl<'tcx> Visitor<'tcx> for PrintVisitor {
             },
             ExprKind::DropTemps(ref expr) => {
                 let expr_pat = self.next("expr");
-                println!("Use(ref {}) = {};", expr_pat, current);
+                println!("DropTemps(ref {}) = {};", expr_pat, current);
                 self.current = expr_pat;
                 self.visit_expr(expr);
             },

clippy_lints/src/utils/inspector.rs

@@ -331,7 +331,7 @@ fn print_expr(cx: &LateContext<'_, '_>, expr: &hir::Expr, indent: usize) {
             println!("{}Err", ind);
         },
         hir::ExprKind::DropTemps(ref e) => {
-            println!("{}Use", ind);
+            println!("{}DropTemps", ind);
             print_expr(cx, e, indent + 1);
         },
     }

tests/ui/author/for_loop.stdout

@@ -1,5 +1,5 @@
 if_chain! {
-    if let ExprKind::Use(ref expr) = expr.node;
+    if let ExprKind::DropTemps(ref expr) = expr.node;
     if let ExprKind::Match(ref expr1, ref arms, MatchSource::ForLoopDesugar) = expr.node;
     if let ExprKind::Call(ref func, ref args) = expr1.node;
     if let ExprKind::Path(ref path) = func.node;