Trait tool::sequence::Second

pub trait Second {
    type Second;
    fn second(self) -> Self::Second;
}

A sequence with a second item.

Associated Types

type Second

Required Methods

fn second(self) -> Self::Second

Implementors

• impl<T> Second for T where     T: Cons,     T::Tail: Cons,  type Second = <T::Tail as Cons>::Head;