From 00aee6bc6ab8f64fd59191b39b1fc15235466397 Mon Sep 17 00:00:00 2001
From: czp3009 <czp3009@gmail.com>
Date: Tue, 30 Jul 2019 13:06:49 +0800
Subject: [PATCH] optimize code

---
 rest/src/main/kotlin/com/hiczp/bilibili/rest/ktor/Cipher.kt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rest/src/main/kotlin/com/hiczp/bilibili/rest/ktor/Cipher.kt b/rest/src/main/kotlin/com/hiczp/bilibili/rest/ktor/Cipher.kt
index 33b645b..3054a80 100644
--- a/rest/src/main/kotlin/com/hiczp/bilibili/rest/ktor/Cipher.kt
+++ b/rest/src/main/kotlin/com/hiczp/bilibili/rest/ktor/Cipher.kt
@@ -10,13 +10,13 @@ import javax.crypto.Cipher
 private val hexTable = "0123456789abcdef".toCharArray()
 
 //optimized md5
-internal fun String.md5() = StringBuilder(32).apply {
+internal fun String.md5() = buildString(32) {
     MessageDigest.getInstance("MD5").digest(toByteArray()).forEach {
         val value = it.toInt() and 0xFF
         append(hexTable[value ushr 4])
         append(hexTable[value and 0x0F])
     }
-}.toString()
+}
 
 internal fun String.base64() = Base64.getDecoder().decode(this)