Run rustfmt on clippy_lints

clippy_lints/src/empty_enum.rs

@@ -7,12 +7,11 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
 //! lint when there is an enum with no variants
 
+use crate::rustc::hir::*;
 use crate::rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
 use crate::rustc::{declare_tool_lint, lint_array};
-use crate::rustc::hir::*;
 use crate::utils::span_lint_and_then;
 
 /// **What it does:** Checks for `enum`s with no variants.
@@ -47,11 +46,13 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for EmptyEnum {
         let did = cx.tcx.hir.local_def_id(item.id);
         if let ItemKind::Enum(..) = item.node {
             let ty = cx.tcx.type_of(did);
-            let adt = ty.ty_adt_def()
-                .expect("already checked whether this is an enum");
+            let adt = ty.ty_adt_def().expect("already checked whether this is an enum");
             if adt.variants.is_empty() {
                 span_lint_and_then(cx, EMPTY_ENUM, item.span, "enum with no variants", |db| {
-                    db.span_help(item.span, "consider using the uninhabited type `!` or a wrapper around it");
+                    db.span_help(
+                        item.span,
+                        "consider using the uninhabited type `!` or a wrapper around it",
+                    );
                 });
             }
         }