kotlin-stdlib / kotlin.collections / toBooleanArray toBooleanArray Common JVM JS Native 1.0 fun Array < out Boolean > . toBooleanArray ( ) : BooleanArray (source) Returns an array of Boolean containing all of the elements of this generic array. Common JVM JS Native 1.0 fun Collection < Boolean > . toBooleanArray ( ) : BooleanArray (source) Returns an array of Boolean containing all of the elements of this collection.