Enum BackendTrap 

pub enum BackendTrap {
    Sys(Trap),
}

An enumeration of all the trap kinds supported by the runtimes.

Variants

Sys(Trap)

The trap from the sys runtime.

Implementations

impl BackendTrap

pub fn user(err: Box<dyn Error + Send + Sync>) -> RuntimeError

Construct a new Error with the given a user error.

Internally saves a backtrace when constructed.

pub fn downcast<T>(self) -> Result<T, BackendTrap>

where T: Error + 'static,

Attempts to downcast the Trap to a concrete type.

pub fn downcast_ref<T>(&self) -> Option<&T>

where T: Error + 'static,

Attempts to downcast the Trap to a concrete type.

pub fn is<T>(&self) -> bool

where T: Error + 'static,

Returns true if the Trap is the same as T

Trait Implementations

impl Debug for BackendTrap

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

Formats the value using the given formatter.

impl Display for BackendTrap

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

Formats the value using the given formatter.

impl Error for BackendTrap

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

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

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

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

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

Provides type-based access to context intended for error reports.

impl From<Trap> for BackendTrap

fn from(value: Trap) -> BackendTrap

Converts to this type from the input type.