2020-09-18 00:21:05 +08:00
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/*
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2020-10-28 13:35:15 +08:00
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* Copyright 2019-2020 Mamoe Technologies and contributors.
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2020-09-18 00:21:05 +08:00
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*
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* 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
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2020-10-28 13:35:15 +08:00
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* Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 license that can be found through the following link.
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2020-09-18 00:21:05 +08:00
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*
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* https://github.com/mamoe/mirai/blob/master/LICENSE
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*/
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package net.mamoe.mirai.console.compiler.common
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2020-09-18 20:00:47 +08:00
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import org.jetbrains.kotlin.name.FqName
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2020-09-18 00:21:05 +08:00
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import kotlin.contracts.contract
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2020-09-18 20:00:47 +08:00
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val SERIALIZABLE_FQ_NAME = FqName("kotlinx.serialization.Serializable")
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2020-09-18 00:21:05 +08:00
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fun <K, V> Map<K, V>.firstValue(): V = this.entries.first().value
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fun <K, V> Map<K, V>.firstKey(): K = this.entries.first().key
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inline fun <reified T : Any> Any?.castOrNull(): T? {
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contract {
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returnsNotNull() implies (this@castOrNull is T)
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}
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return this as? T
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}
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inline fun <reified T : Any> Any?.cast(): T {
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contract {
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returns() implies (this@cast is T)
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}
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return this as T
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}
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