pub struct OptionalUpgrade<T>(_);
Expand description
Upgrade that can be disabled at runtime.
Wraps around an Option<T>
and makes it available or not depending on whether it contains or
not an upgrade.
Implementations
sourceimpl<T> OptionalUpgrade<T>
impl<T> OptionalUpgrade<T>
sourcepub fn some(inner: T) -> OptionalUpgrade<T>
pub fn some(inner: T) -> OptionalUpgrade<T>
Creates an enabled OptionalUpgrade
.
sourcepub fn none() -> OptionalUpgrade<T>
pub fn none() -> OptionalUpgrade<T>
Creates a disabled OptionalUpgrade
.
Trait Implementations
sourceimpl<T> Clone for OptionalUpgrade<T> where
T: Clone,
impl<T> Clone for OptionalUpgrade<T> where
T: Clone,
sourcepub fn clone(&self) -> OptionalUpgrade<T>
pub fn clone(&self) -> OptionalUpgrade<T>
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl<T> Debug for OptionalUpgrade<T> where
T: Debug,
impl<T> Debug for OptionalUpgrade<T> where
T: Debug,
sourceimpl<C, T> InboundUpgrade<C> for OptionalUpgrade<T> where
T: InboundUpgrade<C>,
impl<C, T> InboundUpgrade<C> for OptionalUpgrade<T> where
T: InboundUpgrade<C>,
type Output = <T as InboundUpgrade<C>>::Output
type Output = <T as InboundUpgrade<C>>::Output
Output after the upgrade has been successfully negotiated and the handshake performed.
type Error = <T as InboundUpgrade<C>>::Error
type Error = <T as InboundUpgrade<C>>::Error
Possible error during the handshake.
type Future = <T as InboundUpgrade<C>>::Future
type Future = <T as InboundUpgrade<C>>::Future
Future that performs the handshake with the remote.
sourcepub fn upgrade_inbound(
self,
sock: C,
info: <OptionalUpgrade<T> as UpgradeInfo>::Info
) -> <OptionalUpgrade<T> as InboundUpgrade<C>>::Future
pub fn upgrade_inbound(
self,
sock: C,
info: <OptionalUpgrade<T> as UpgradeInfo>::Info
) -> <OptionalUpgrade<T> as InboundUpgrade<C>>::Future
After we have determined that the remote supports one of the protocols we support, this method is called to start the handshake. Read more
sourceimpl<C, T> OutboundUpgrade<C> for OptionalUpgrade<T> where
T: OutboundUpgrade<C>,
impl<C, T> OutboundUpgrade<C> for OptionalUpgrade<T> where
T: OutboundUpgrade<C>,
type Output = <T as OutboundUpgrade<C>>::Output
type Output = <T as OutboundUpgrade<C>>::Output
Output after the upgrade has been successfully negotiated and the handshake performed.
type Error = <T as OutboundUpgrade<C>>::Error
type Error = <T as OutboundUpgrade<C>>::Error
Possible error during the handshake.
type Future = <T as OutboundUpgrade<C>>::Future
type Future = <T as OutboundUpgrade<C>>::Future
Future that performs the handshake with the remote.
sourcepub fn upgrade_outbound(
self,
sock: C,
info: <OptionalUpgrade<T> as UpgradeInfo>::Info
) -> <OptionalUpgrade<T> as OutboundUpgrade<C>>::Future
pub fn upgrade_outbound(
self,
sock: C,
info: <OptionalUpgrade<T> as UpgradeInfo>::Info
) -> <OptionalUpgrade<T> as OutboundUpgrade<C>>::Future
After we have determined that the remote supports one of the protocols we support, this method is called to start the handshake. Read more
sourceimpl<T> UpgradeInfo for OptionalUpgrade<T> where
T: UpgradeInfo,
impl<T> UpgradeInfo for OptionalUpgrade<T> where
T: UpgradeInfo,
type Info = <T as UpgradeInfo>::Info
type Info = <T as UpgradeInfo>::Info
Opaque type representing a negotiable protocol.
type InfoIter = Iter<<<T as UpgradeInfo>::InfoIter as IntoIterator>::IntoIter>
type InfoIter = Iter<<<T as UpgradeInfo>::InfoIter as IntoIterator>::IntoIter>
Iterator returned by protocol_info
.
sourcepub fn protocol_info(&self) -> <OptionalUpgrade<T> as UpgradeInfo>::InfoIter
pub fn protocol_info(&self) -> <OptionalUpgrade<T> as UpgradeInfo>::InfoIter
Returns the list of protocols that are supported. Used during the negotiation process.
Auto Trait Implementations
impl<T> RefUnwindSafe for OptionalUpgrade<T> where
T: RefUnwindSafe,
impl<T> Send for OptionalUpgrade<T> where
T: Send,
impl<T> Sync for OptionalUpgrade<T> where
T: Sync,
impl<T> Unpin for OptionalUpgrade<T> where
T: Unpin,
impl<T> UnwindSafe for OptionalUpgrade<T> where
T: UnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<C, U> InboundUpgradeExt<C> for U where
U: InboundUpgrade<C>,
impl<C, U> InboundUpgradeExt<C> for U where
U: InboundUpgrade<C>,
sourcefn map_inbound<F, T>(self, f: F) -> MapInboundUpgrade<Self, F> where
F: FnOnce(Self::Output) -> T,
fn map_inbound<F, T>(self, f: F) -> MapInboundUpgrade<Self, F> where
F: FnOnce(Self::Output) -> T,
Returns a new object that wraps around Self
and applies a closure to the Output
.
sourcefn map_inbound_err<F, T>(self, f: F) -> MapInboundUpgradeErr<Self, F> where
F: FnOnce(Self::Error) -> T,
fn map_inbound_err<F, T>(self, f: F) -> MapInboundUpgradeErr<Self, F> where
F: FnOnce(Self::Error) -> T,
Returns a new object that wraps around Self
and applies a closure to the Error
.
sourceimpl<C, U> OutboundUpgradeExt<C> for U where
U: OutboundUpgrade<C>,
impl<C, U> OutboundUpgradeExt<C> for U where
U: OutboundUpgrade<C>,
sourcefn map_outbound<F, T>(self, f: F) -> MapOutboundUpgrade<Self, F> where
F: FnOnce(Self::Output) -> T,
fn map_outbound<F, T>(self, f: F) -> MapOutboundUpgrade<Self, F> where
F: FnOnce(Self::Output) -> T,
Returns a new object that wraps around Self
and applies a closure to the Output
.
sourcefn map_outbound_err<F, T>(self, f: F) -> MapOutboundUpgradeErr<Self, F> where
F: FnOnce(Self::Error) -> T,
fn map_outbound_err<F, T>(self, f: F) -> MapOutboundUpgradeErr<Self, F> where
F: FnOnce(Self::Error) -> T,
Returns a new object that wraps around Self
and applies a closure to the Error
.
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcepub fn to_owned(&self) -> T
pub fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
sourcepub fn clone_into(&self, target: &mut T)
pub fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more