~repos /plum

module std

type Cat(ToStr) =
  name: Str
  age: Int

withName<Cat>(name: Str) -> Cat =
  Cat(name: name, age: self.age)

withAge<Cat>(age: Int) -> Cat =
  Cat(name: self.name, age: age)

toStr<Cat>() -> Str =
  "Cat({self.name}, {self.age})"

main() =
  printLn("Hello world")