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toLongArray

fun Array<out Long>.toLongArray(): LongArray

Returns an array of Long containing all of the elements of this generic array.

fun Collection<Long>.toLongArray(): LongArray

Returns an array of Long containing all of the elements of this collection.

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/to-long-array.html