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deanwampler/scala2-3-MonoidTypeClassExamples.scala

Last active December 27, 2020 15:28
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scala2-3-MonoidTypeClassExamples.scala
given StringMonoid: Monoid[String] with
def unit: String = ""
extension (s: String) def combine(other: String): String = s + other
given IntMonoid: Monoid[Int] with
def unit: Int = 0
extension (i: Int) def combine(other: Int): Int = i + other
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