Enum libp2p_core::UpgradeError

pub enum UpgradeError<E> {
    Select(ProtocolChoiceError),
    Apply(E),
}

Error that can happen when upgrading a connection or substream to use a protocol.

Variants

Select(ProtocolChoiceError)

Error during the negotiation process.

Apply(E)

Error during the post-negotiation handshake.

Methods

impl<E> UpgradeError<E>

pub fn map_err<F, T>(self, f: F) -> UpgradeError<T> where     F: FnOnce(E) -> T,

pub fn from_err<T>(self) -> UpgradeError<T> where     T: From<E>,

Trait Implementations

impl<E> From<ProtocolChoiceError> for UpgradeError<E>

fn from(e: ProtocolChoiceError) -> Self

Performs the conversion.

impl<E> Display for UpgradeError<E> where     E: Display,

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

Formats the value using the given formatter.

impl<E: Debug> Debug for UpgradeError<E>

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

Formats the value using the given formatter.

impl<E> Error for UpgradeError<E> where     E: Error + 'static,

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any.

fn description(&self) -> &str

This method is soft-deprecated.

fn cause(&self) -> Option<&dyn Error>

Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

The lower-level cause of this error, if any.