pub type UnderlyingSink(a) {
  Start(fn(default_controller.DefaultController) -> Nil)
  Write(
    fn(a, default_controller.DefaultController) -> promise.Promise(
      Nil,
    ),
  )
  Close(fn() -> promise.Promise(Nil))
  Abort(fn(dynamic.Dynamic) -> promise.Promise(Nil))
}

Constructors

• Start(fn(default_controller.DefaultController) -> Nil)

• Write(
    fn(a, default_controller.DefaultController) -> promise.Promise(
      Nil,
    ),
  )

• Close(fn() -> promise.Promise(Nil))

• Abort(fn(dynamic.Dynamic) -> promise.Promise(Nil))