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HeaderError

wasmtime_wasi_http::p2

Struct HeaderError

pub struct HeaderError { /* private fields */ }

Available on crate feature p2 only.

Expand description

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

Modeled after TrappableError.

Implementations§

impl HeaderError

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

Create a new HeaderError that represents a trap.

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

Downcast this error to an ErrorCode.

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

Downcast this error to a reference to an ErrorCode

Trait Implementations§

impl Debug for HeaderError

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

Formats the value using the given formatter. Read more

impl Display for HeaderError

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

Formats the value using the given formatter. Read more

impl From<FieldMapError> for HeaderError

fn from(err: FieldMapError) -> Self

Converts to this type from the input type.

impl From<HeaderError> for HeaderError

fn from(error: HeaderError) -> Self

Converts to this type from the input type.

impl From<InvalidHeaderName> for HeaderError

fn from(_: InvalidHeaderName) -> Self

Converts to this type from the input type.

impl From<InvalidHeaderValue> for HeaderError

fn from(_: InvalidHeaderValue) -> Self

Converts to this type from the input type.

impl From<ResourceTableError> for HeaderError

fn from(error: ResourceTableError) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

impl Freeze for HeaderError

impl RefUnwindSafe for HeaderError

impl Send for HeaderError

impl Sync for HeaderError

impl Unpin for HeaderError

impl UnwindSafe for HeaderError

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> GetSetFdFlags for T

fn get_fd_flags(&self) -> Result<FdFlags, Error>
where T: AsFilelike,

Query the “status” flags for the self file descriptor.

fn new_set_fd_flags(&self, fd_flags: FdFlags) -> Result<SetFdFlags<T>, Error>
where T: AsFilelike,

Create a new SetFdFlags value for use with set_fd_flags. Read more

fn set_fd_flags(&mut self, set_fd_flags: SetFdFlags<T>) -> Result<(), Error>
where T: AsFilelike,

Set the “status” flags for the self file descriptor. Read more

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Pointee for T

type Pointer = u32

fn debug( pointer: <T as Pointee>::Pointer, f: &mut Formatter<'_>, ) -> Result<(), Error>

impl<T> Same for T

type Output = T

Should always be Self

impl<T> ToString for T
where T: Display + ?Sized,

fn to_string(&self) -> String

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more

impl<T> ErasedDestructor for T
where T: 'static,

impl<T> MaybeSendSync for T