Update eslint and @typescript-eslint (denoland/deno_std#621)

Original: https://github.com/denoland/deno_std/commit/c3fe858f98565edbe8faeb3cf2e5b873304f4f6e

1 files changed, 2 insertions, 2 deletions

diff --git a/examples/cat.ts b/examples/cat.ts
index ba8b42bdf..3626e3c29 100644
--- a/examples/cat.ts
+++ b/examples/cat.ts
@@ -1,7 +1,7 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 async function cat(filenames: string[]): Promise<void> {
-  for (let filename of filenames) {
-    let file = await Deno.open(filename);
+  for (const filename of filenames) {
+    const file = await Deno.open(filename);
     await Deno.copy(Deno.stdout, file);
     file.close();
   }