Struct futures_util::io::CopyInto

[+] Show declaration

pub struct CopyInto<'a, R: ?Sized + 'a, W: ?Sized + 'a> { /* fields omitted */ }

[−] Expand description

A future which will copy all data from a reader into a writer.

Created by the copy_into function, this future will resolve to the number of bytes copied or an error if one happens.

Trait Implementations

impl<'a, R: Debug + ?Sized + 'a, W: Debug + ?Sized + 'a> Debug for CopyInto<'a, R, W>

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

[−]

Formats the value using the given formatter.

impl<R: ?Sized, W: ?Sized, '_> Unpin for CopyInto<'_, R, W>

impl<R: ?Sized, W: ?Sized, '_> Future for CopyInto<'_, R, W> where     R: AsyncRead,     W: AsyncWrite,

[+]

type Output = Result<u64>

🔬 This is a nightly-only experimental API. (futures_api)

futures in libcore are unstable

The result of the Future.

fn poll(self: PinMut<Self>, cx: &mut Context) -> Poll<Self::Output>

[−]

🔬 This is a nightly-only experimental API. (futures_api)

futures in libcore are unstable

Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available.