Enum HeadlessError 

pub enum HeadlessError {
    Io(Error),
    Json(Error),
    GpuInit(String),
    Readback(OffscreenReadbackError),
}

Errors produced by headless session setup and the JSONL worker loop.

Variants

Io(Error)

An I/O error while reading commands or writing responses.

Json(Error)

A malformed JSONL command.

GpuInit(String)

The GPU render core could not be initialized.

Readback(OffscreenReadbackError)

Reading pixels back from the offscreen target failed.

Trait Implementations

impl Debug for HeadlessError

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

Formats the value using the given formatter.

impl Display for HeadlessError

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

Formats the value using the given formatter.

impl Error for HeadlessError

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<Error> for HeadlessError

fn from(err: Error) -> Self

Converts to this type from the input type.

impl From<Error> for HeadlessError

fn from(err: Error) -> Self

Converts to this type from the input type.

impl From<OffscreenReadbackError> for HeadlessError

fn from(err: OffscreenReadbackError) -> Self

Converts to this type from the input type.