Struct proxy_wasm_experimental::error::HostCallError

pub struct HostCallError<'a> { /* fields omitted */ }

An error to call a Host ABI function.

Implementations

impl<'a> HostCallError<'a>

pub fn module(&self) -> &'a str

pub fn function(&self) -> &'a str

pub fn status(&self) -> Status

Trait Implementations

impl<'a> Debug for HostCallError<'a>

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

Formats the value using the given formatter.

impl<'a> Display for HostCallError<'a>

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

Formats the value using the given formatter.

impl<'a> Error for HostCallError<'a>

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