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Deprecate EmptyMessageChain.serializer() for stability concerns

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This commit is contained in:
Him188 2021-09-01 19:29:56 +08:00
parent 4e021d3b3e
commit 25ddb41544
1 changed files with 9 additions and 1 deletions
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10
mirai-core-api/src/commonMain/kotlin/message/data/MessageChain.kt
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@ -341,7 +341,7 @@ public sealed interface MessageChain :
/**
* 不含任何元素的 [MessageChain].
*/
@Serializable(MessageChain.Serializer::class)
//@Serializable(MessageChain.Serializer::class)
public object EmptyMessageChain : MessageChain, List<SingleMessage> by emptyList() {
override val size: Int get() = 0
@ -358,6 +358,14 @@ public object EmptyMessageChain : MessageChain, List<SingleMessage> by emptyList
override fun iterator(): Iterator<SingleMessage> = EmptyMessageChainIterator
@Suppress("DeprecatedCallableAddReplaceWith")
@Deprecated(
"Serializers for EmptyMessageChain is not provided any more. " +
"Please specify your serial property as MessageChain and use contextual and polymorphic serializers from MessageSerializers.serializersModule.",
level = DeprecationLevel.WARNING
) // deprecated since 2.8-M1
public fun serializer(): KSerializer<MessageChain> = MessageChain.Serializer
private object EmptyMessageChainIterator : Iterator<SingleMessage> {
override fun hasNext(): Boolean = false
override fun next(): Nothing = throw NoSuchElementException("EmptyMessageChain is empty.")