Enum web_view::Error

pub enum Error {
    UninitializedField(&'static str),
    Initialization,
    NulByte(NulError),
    JsEvaluation,
    CssInjection,
    Dispatch,
    Custom(Box<dyn CustomError>),
}

A WebView error.

Variants

UninitializedField(&'static str)

While attempting to build a WebView instance, a required field was not initialized.

Initialization

An error occurred while initializing a WebView instance.

NulByte(NulError)

A nul-byte was found in a provided string.

JsEvaluation

An error occurred while evaluating JavaScript in a WebView instance.

CssInjection

An error occurred while injecting CSS into a WebView instance.

Dispatch

Failure to dispatch a closure to a WebView instance via a handle, likely because the WebView was dropped.

Custom(Box<dyn CustomError>)

An user-specified error occurred. For use inside invoke and dispatch closures.

Implementations

impl Error

pub fn custom<E: CustomError>(error: E) -> Error

Creates a custom error from a T: Display + Debug + Send + Sync + 'static.

Trait Implementations

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

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

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

fn backtrace(&self) -> Option<&Backtrace>

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

Returns a stack backtrace, if available, of where this error occurred.

fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

if let Err(e) = "xc".parse::<u32>() { // Print e itself, no need for description(). eprintln!("Error: {}", e); }

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl From<NulError> for Error

fn from(e: NulError) -> Error

Performs the conversion.