Struct HttpError 

pub struct HttpError { /* private fields */ }

Available on crate feature p2 only.

A wasi:http-specific error type used to represent either a trap or an ErrorCode.

Modeled after TrappableError.

Implementations

impl HttpError

pub fn trap(err: impl Into<Error>) -> HttpError

Create a new HttpError that represents a trap.

pub fn downcast(self) -> Result<ErrorCode>

Downcast this error to an ErrorCode.

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

Downcast this error to a reference to an ErrorCode

Trait Implementations

impl Debug for HttpError

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

Formats the value using the given formatter.

impl Display for HttpError

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

Formats the value using the given formatter.

impl Error for HttpError

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<ErrorCode> for HttpError

fn from(error: ErrorCode) -> Self

Converts to this type from the input type.

impl From<ResourceTableError> for HttpError

fn from(error: ResourceTableError) -> Self

Converts to this type from the input type.