2019-02-26から1日間の記事一覧
HoloLensの話ではない。scalaz.Lensの話。 これが ```object Main extends App {val a = A(B(C(D(1))))println(a)val copy = a.copy(a.b.copy(a.b.c.copy(a.b.c.d.copy(2))))println(copy)} case class D(value: Int)case class C(d: D)case class B(c: C)ca…
HoloLensの話ではない。scalaz.Lensの話。 これが ```object Main extends App {val a = A(B(C(D(1))))println(a)val copy = a.copy(a.b.copy(a.b.c.copy(a.b.c.d.copy(2))))println(copy)} case class D(value: Int)case class C(d: D)case class B(c: C)ca…