Add WeakRef

3731bd98 · Him188 · eb9a64e5 · 3731bd98
Commit 3731bd98 authored Dec 18, 2019 by Him188
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mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/WeakRef.kt ...re/src/commonMain/kotlin/net.mamoe.mirai/utils/WeakRef.kt +7 -0

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--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/WeakRef.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/WeakRef.kt
@@ -11,6 +11,13 @@ inline class UnsafeWeakRef<T>(private val weakRef: WeakRef<T>) {
    fun get(): T = weakRef.get() ?: error("WeakRef is released")
    fun clear() = weakRef.clear()

+    /**
+     * Provides delegate value.
+     *
+     * ```kotlin
+     * val bot: Bot by param.unsafeWeakRef()
+     * ```
+     */
    operator fun getValue(thisRef: Any?, property: KProperty<*>): T? = this.get()
 }