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Let ContactList<C> implement Collection<C>

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This commit is contained in:
Him188 2020-05-10 15:34:06 +08:00
parent a99a83be48
commit aa2805b81f
1 changed files with 5 additions and 5 deletions
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10
mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/ContactList.kt
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@ -23,17 +23,17 @@ import kotlin.jvm.JvmField
*/
@Suppress("unused")
class ContactList<C : Contact> internal constructor(@JvmField internal val delegate: LockFreeLinkedList<C>) :
Iterable<C> {
Iterable<C>, Collection<C> {
operator fun get(id: Long): C =
delegate.asSequence().firstOrNull { it.id == id } ?: throw NoSuchElementException("Contact id $id")
fun getOrNull(id: Long): C? = delegate.getOrNull(id)
val size: Int get() = delegate.size
operator fun contains(element: C): Boolean = delegate.contains(element)
override val size: Int get() = delegate.size
override operator fun contains(element: C): Boolean = delegate.contains(element)
operator fun contains(id: Long): Boolean = delegate.getOrNull(id) != null
fun containsAll(elements: Collection<C>): Boolean = elements.all { contains(it) }
fun isEmpty(): Boolean = delegate.isEmpty()
override fun containsAll(elements: Collection<C>): Boolean = elements.all { contains(it) }
override fun isEmpty(): Boolean = delegate.isEmpty()
override fun toString(): String =
delegate.asSequence().joinToString(separator = ", ", prefix = "ContactList(", postfix = ")")