[−][src]Struct futures_core::stream::LocalStreamObj
A custom trait object for polling streams, roughly akin to
Box<dyn Stream<Item = T> + 'a>.
This custom trait object was introduced for two reasons:
- Currently it is not possible to take
dyn Traitby value andBox<dyn Trait>is not available in no_std contexts.
Methods
impl<'a, T> LocalStreamObj<'a, T>[src]
pub fn new<F: UnsafeStreamObj<'a, T> + 'a>(f: F) -> LocalStreamObj<'a, T>[src]
Create a LocalStreamObj from a custom trait object representation.
pub unsafe fn into_stream_obj(self) -> StreamObj<'a, T>[src]
Converts the LocalStreamObj into a StreamObj
To make this operation safe one has to ensure that the UnsafeStreamObj
instance from which this LocalStreamObj was created actually
implements Send.
Trait Implementations
impl<'a, T> Stream for LocalStreamObj<'a, T>[src]
type Item = T
Values yielded by the stream.
fn poll_next(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Option<T>>[src]
impl<'a, T> Drop for LocalStreamObj<'a, T>[src]
impl<'a, T> Unpin for LocalStreamObj<'a, T>[src]
impl<'a, T> From<StreamObj<'a, T>> for LocalStreamObj<'a, T>[src]
fn from(f: StreamObj<'a, T>) -> LocalStreamObj<'a, T>[src]
impl<'a, F: Stream<Item = ()> + 'a> From<Pin<Box<F>>> for LocalStreamObj<'a, ()>[src]
impl<'a, F: Stream<Item = ()> + 'a> From<Box<F>> for LocalStreamObj<'a, ()>[src]
impl<'a, T> Debug for LocalStreamObj<'a, T>[src]
Auto Trait Implementations
impl<'a, T> !Send for LocalStreamObj<'a, T>
impl<'a, T> !Sync for LocalStreamObj<'a, T>
Blanket Implementations
impl<S, T, E> TryStream for S where
S: Stream<Item = Result<T, E>>, [src]
S: Stream<Item = Result<T, E>>,
type Ok = T
The type of successful values yielded by this future
type Error = E
The type of failures yielded by this future
fn try_poll_next(
Pin<&mut S>,
&mut Context
) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>[src]
Pin<&mut S>,
&mut Context
) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>
impl<T> From for T[src]
impl<T, U> Into for T where
U: From<T>, [src]
U: From<T>,
impl<T, U> TryFrom for T where
U: Into<T>, [src]
U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]
impl<T> Borrow for T where
T: ?Sized, [src]
T: ?Sized,
impl<T> BorrowMut for T where
T: ?Sized, [src]
T: ?Sized,
ⓘImportant traits for &'_ mut Ffn borrow_mut(&mut self) -> &mut T[src]
ⓘImportant traits for &'_ mut F
impl<T, U> TryInto for T where
U: TryFrom<T>, [src]
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]
impl<T> Any for T where
T: 'static + ?Sized, [src]
T: 'static + ?Sized,