From 0a2152dc73e4e04fb3aa8461df3e59d0231ae2fe Mon Sep 17 00:00:00 2001
From: Him188 <Him188@mamoe.net>
Date: Mon, 13 Apr 2020 18:56:20 +0800
Subject: [PATCH] Add `SingleMessage.asMessageChain`

---
 mirai-core/src/commonMain/kotlin/net.mamoe.mirai/Bot.kt     | 3 ++-
 .../kotlin/net.mamoe.mirai/message/data/Message.kt          | 2 +-
 .../kotlin/net.mamoe.mirai/message/data/MessageChain.kt     | 6 ++++++
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/Bot.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/Bot.kt
index 516cc2243..07e1cede9 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/Bot.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/Bot.kt
@@ -7,7 +7,8 @@
  * https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
-@file:Suppress("EXPERIMENTAL_API_USAGE", "unused", "FunctionName", "NOTHING_TO_INLINE", "UnusedImport")
+@file:Suppress("EXPERIMENTAL_API_USAGE", "unused", "FunctionName", "NOTHING_TO_INLINE", "UnusedImport",
+    "EXPERIMENTAL_OVERRIDE")
 
 package net.mamoe.mirai
 
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/Message.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/Message.kt
index 54a141dc0..d8df84336 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/Message.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/Message.kt
@@ -224,7 +224,7 @@ suspend inline fun <C : Contact> Message.sendTo(contact: C): MessageReceipt<C> {
 inline fun Message.repeat(count: Int): MessageChain {
     if (this is ConstrainSingle<*>) {
         // fast-path
-        return SingleMessageChainImpl(this)
+        return this.asMessageChain()
     }
     return buildMessageChain(count) {
         add(this@repeat)
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/MessageChain.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/MessageChain.kt
index e48671131..561c0d241 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/MessageChain.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/MessageChain.kt
@@ -234,6 +234,12 @@ fun Message.asMessageChain(): MessageChain = when (this) {
     else -> SingleMessageChainImpl(this as SingleMessage)
 }
 
+/**
+ * 直接将 [this] 委托为一个 [MessageChain]
+ */
+@JvmSynthetic
+fun SingleMessage.asMessageChain(): MessageChain = SingleMessageChainImpl(this)
+
 /**
  * 直接将 [this] 委托为一个 [MessageChain]
  */