Trait FutureMapInto
mapinto
pub trait FutureMapInto<U> { type Output: Future<Item = U>; fn map_into(self) -> Self::Output; }
type Output: Future<Item = U>
fn map_into(self) -> Self::Output
impl<F, U> FutureMapInto<U> for F where F: Future, U: From<F::Item>,
type Output = Map<F, fn(_: F::Item) -> U>