Struct OnUpgrade

pub struct OnUpgrade {
    rx: Option<Arc<Mutex<Receiver<Result<Upgraded>>>>>,
}

A future for a possible HTTP upgrade.

If no upgrade was available, or it doesn’t succeed, yields an Error.

Fields

rx: Option<Arc<Mutex<Receiver<Result<Upgraded>>>>>

Implementations

impl OnUpgrade

pub(crate) fn none() -> Self

pub(crate) fn is_none(&self) -> bool

Trait Implementations

impl Clone for OnUpgrade

fn clone(&self) -> OnUpgrade

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OnUpgrade

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

Formats the value using the given formatter.

impl Future for OnUpgrade

type Output = Result<Upgraded, Error>

The type of value produced on completion.

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

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