Struct futures_util::fns::OkFn

pub struct OkFn<E>(PhantomData<fn(_: E)>);

Tuple Fields

0: PhantomData<fn(_: E)>

Trait Implementations

impl<T> Clone for OkFn<T>

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T> Debug for OkFn<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<E> Default for OkFn<E>

fn default() -> Self

Returns the “default value” for a type.

impl<T, A> Fn1<A> for OkFn<T>

where Self: FnOnce1<A>,

fn call(&self, arg: A) -> Self::Output

impl<T, A> FnMut1<A> for OkFn<T>

where Self: FnOnce1<A>,

fn call_mut(&mut self, arg: A) -> Self::Output

impl<A, E> FnOnce1<A> for OkFn<E>

type Output = Result<A, E>

fn call_once(self, arg: A) -> Self::Output

impl<T> Copy for OkFn<T>