kotlin-stdlib/kotlin.ranges/downTo

downTo

infix fun Int.downTo(to: Byte): IntProgression(source)
infix fun Long.downTo(to: Byte): LongProgression(source)
infix fun Byte.downTo(to: Byte): IntProgression(source)
infix fun Short.downTo(to: Byte): IntProgression(source)
infix fun Char.downTo(to: Char): CharProgression(source)
infix fun Int.downTo(to: Int): IntProgression(source)
infix fun Long.downTo(to: Int): LongProgression(source)
infix fun Byte.downTo(to: Int): IntProgression(source)
infix fun Short.downTo(to: Int): IntProgression(source)
infix fun Int.downTo(to: Long): LongProgression(source)
infix fun Long.downTo(to: Long): LongProgression(source)
infix fun Byte.downTo(to: Long): LongProgression(source)
infix fun Short.downTo(to: Long): LongProgression(source)
infix fun Int.downTo(to: Short): IntProgression(source)
infix fun Long.downTo(to: Short): LongProgression(source)
infix fun Byte.downTo(to: Short): IntProgression(source)
infix fun Short.downTo(to: Short): IntProgression(source)

Returns a progression from this value down to the specified to value with the step -1.

The to value should be less than or equal to this value. If the to value is greater than this value the returned progression is empty.

Since Kotlin

1.0