From ae39f917f022d87d4af9dd409d906aadb8790196 Mon Sep 17 00:00:00 2001
From: mask-pp <huan_zi266@sina.com>
Date: Wed, 2 Dec 2020 13:08:13 +0800
Subject: [PATCH] upgrade StringToBytes function

---
 internal/bytesconv/bytesconv.go | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/internal/bytesconv/bytesconv.go b/internal/bytesconv/bytesconv.go
index 7b80e335..86e4c4d4 100644
--- a/internal/bytesconv/bytesconv.go
+++ b/internal/bytesconv/bytesconv.go
@@ -5,16 +5,17 @@
 package bytesconv
 
 import (
-	"reflect"
 	"unsafe"
 )
 
 // StringToBytes converts string to byte slice without a memory allocation.
-func StringToBytes(s string) (b []byte) {
-	sh := *(*reflect.StringHeader)(unsafe.Pointer(&s))
-	bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
-	bh.Data, bh.Len, bh.Cap = sh.Data, sh.Len, sh.Len
-	return b
+func StringToBytes(s string) []byte {
+	return *(*[]byte)(unsafe.Pointer(
+		&struct {
+			string
+			Cap int
+		}{s, len(s)},
+	))
 }
 
 // BytesToString converts byte slice to string without a memory allocation.