package net.shadowfacts.phycon.util

/**
 * @author shadowfacts
 */
interface RotatableEnum {
}

val <E> E.prev: E where E: Enum<E>, E: RotatableEnum
	get() = javaClass.enumConstants[(ordinal - 1 + javaClass.enumConstants.size) % javaClass.enumConstants.size]

val <E> E.next: E where E: Enum<E>, E: RotatableEnum
	get() = javaClass.enumConstants[(ordinal + 1) % javaClass.enumConstants.size]