From 373ad9e8aa7292e12bcc26309e82edb1395b89fb Mon Sep 17 00:00:00 2001
From: Him188 <Him188@mamoe.net>
Date: Wed, 22 Apr 2020 13:37:58 +0800
Subject: [PATCH] Replace `Bot.instances: List<WeakRef>` with `Bot.instances:
 Sequence<Bot>`

---
 mirai-core/src/commonMain/kotlin/net.mamoe.mirai/Bot.kt | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

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 9bc1ecee8..e04b32dfb 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/Bot.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/Bot.kt
@@ -28,6 +28,7 @@ import net.mamoe.mirai.network.LoginFailedException
 import net.mamoe.mirai.utils.*
 import kotlin.coroutines.CoroutineContext
 import kotlin.coroutines.EmptyCoroutineContext
+import kotlin.jvm.JvmName
 import kotlin.jvm.JvmStatic
 import kotlin.jvm.JvmSynthetic
 
@@ -55,7 +56,13 @@ abstract class Bot : CoroutineScope, LowLevelBotAPIAccessor, BotJavaFriendlyAPI(
          * 复制一份此时的 [Bot] 实例列表.
          */
         @JvmStatic
-        val instances: List<WeakRef<Bot>>
+        val instances: Sequence<Bot>
+            get() = BotImpl.instances.asSequence().mapNotNull { it.get() }
+
+        @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
+        @JvmStatic
+        internal val instancesDeprecated: List<WeakRef<Bot>>
+            @JvmName("instances")
             get() = BotImpl.instances.toList()
 
         /**