```
extension Int : Monoid {
fun Int.combine(b...
# arrow-contributorsa
addamsson
07/14/2019, 2:38 PM Copy code
extension Int : Monoid {
fun Int.combine(b: Int): Int = this + b
fun Int.Companion.empty(): Int = 0
}addamsson
07/14/2019, 2:38 PMextension Int : Monoid {
fun Int.combine(b: Int): Int = this + b
fun Int.Companion.empty(): Int = 0
}