From 1e571b4a5c96ca251e47f46d6aa823cbb6f32560 Mon Sep 17 00:00:00 2001
From: Yuta Saito <kateinoigakukun@gmail.com>
Date: Sat, 4 Dec 2021 06:31:11 +0000
Subject: [PATCH] Use TypedArray.set to copy a bunch of bytes

---
 Runtime/src/index.ts | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/Runtime/src/index.ts b/Runtime/src/index.ts
index 6fc139443..f0639b09c 100644
--- a/Runtime/src/index.ts
+++ b/Runtime/src/index.ts
@@ -222,10 +222,7 @@ export class SwiftRuntime {
 
         const writeString = (ptr: pointer, bytes: Uint8Array) => {
             const uint8Memory = new Uint8Array(memory().buffer);
-            for (const [index, byte] of bytes.entries()) {
-                uint8Memory[ptr + index] = byte;
-            }
-            uint8Memory[ptr];
+            uint8Memory.set(bytes, ptr);
         };
 
         const readUInt32 = (ptr: pointer) => {