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Improve performance

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Him188 2020-03-30 15:07:47 +08:00
parent 4700c48df8
commit d432c5f1d0
1 changed files with 4 additions and 4 deletions
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8
mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/MessageChain.kt
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@ -393,7 +393,7 @@ inline fun MessageChain.flatten(): Sequence<SingleMessage> = this.asSequence() /
/** /**
* 不含任何元素的 [MessageChain] * 不含任何元素的 [MessageChain]
*/ */
object EmptyMessageChain : MessageChain by MessageChainImplByIterable(emptyList()) object EmptyMessageChain : MessageChain by MessageChainImplByCollection(emptyList())
/** /**
* Null 的 [MessageChain]. * Null 的 [MessageChain].
@ -423,7 +423,7 @@ internal class MessageChainImplByIterable constructor(
) : Message, Iterable<SingleMessage>, MessageChain { ) : Message, Iterable<SingleMessage>, MessageChain {
override val size: Int by lazy { delegate.count() } override val size: Int by lazy { delegate.count() }
override fun iterator(): Iterator<SingleMessage> = delegate.iterator() override fun iterator(): Iterator<SingleMessage> = delegate.iterator()
var toStringTemp: String? = null private var toStringTemp: String? = null
override fun toString(): String = override fun toString(): String =
toStringTemp ?: this.delegate.joinToString("") { it.toString() }.also { toStringTemp = it } toStringTemp ?: this.delegate.joinToString("") { it.toString() }.also { toStringTemp = it }
@ -439,7 +439,7 @@ internal class MessageChainImplByCollection constructor(
) : Message, Iterable<SingleMessage>, MessageChain { ) : Message, Iterable<SingleMessage>, MessageChain {
override val size: Int get() = delegate.size override val size: Int get() = delegate.size
override fun iterator(): Iterator<SingleMessage> = delegate.iterator() override fun iterator(): Iterator<SingleMessage> = delegate.iterator()
var toStringTemp: String? = null private var toStringTemp: String? = null
override fun toString(): String = override fun toString(): String =
toStringTemp ?: this.delegate.joinToString("") { it.toString() }.also { toStringTemp = it } toStringTemp ?: this.delegate.joinToString("") { it.toString() }.also { toStringTemp = it }
@ -460,7 +460,7 @@ internal class MessageChainImplBySequence constructor(
*/ */
private val collected: List<SingleMessage> by lazy { delegate.toList() } private val collected: List<SingleMessage> by lazy { delegate.toList() }
override fun iterator(): Iterator<SingleMessage> = collected.iterator() override fun iterator(): Iterator<SingleMessage> = collected.iterator()
var toStringTemp: String? = null private var toStringTemp: String? = null
override fun toString(): String = override fun toString(): String =
toStringTemp ?: this.collected.joinToString("") { it.toString() }.also { toStringTemp = it } toStringTemp ?: this.collected.joinToString("") { it.toString() }.also { toStringTemp = it }