Trait recursion_schemes::functor::Functor

pub trait Functor {
    type Layer<X>;

    fn fmap<F, A, B>(input: Self::Layer<A>, f: F) -> Self::Layer<B>
    where
        F: FnMut(A) -> B;
}

Required Associated Types

type Layer<X>

Required Methods

fn fmap<F, A, B>(input: Self::Layer<A>, f: F) -> Self::Layer<B>where
    F: FnMut(A) -> B,

Implementations on Foreign Types

impl Functor for Option<PartiallyApplied>

type Layer<X> = Option<X>

fn fmap<F, A, B>(input: Self::Layer<A>, f: F) -> Self::Layer<B>where
    F: FnMut(A) -> B,

impl<Fst> Functor for (Fst, PartiallyApplied)

type Layer<X> = (Fst, X)

fn fmap<F, A, B>(input: Self::Layer<A>, f: F) -> Self::Layer<B>where
    F: FnMut(A) -> B,

Implementors

impl<F1: Functor, F2: Functor> Functor for Compose<F1, F2>

type Layer<X> = <F1 as Functor>::Layer<<F2 as Functor>::Layer<X>>