Enum rusty_fork::Error

pub enum Error {
    UnknownFlag(String),
    DisallowedFlag(String, String),
    SpawnError(Error),
}

Enum for errors produced by the rusty-fork crate.

Variants

UnknownFlag(String)

An unknown flag was encountered when examining the current process's argument list.

The string is the flag that was encountered.

DisallowedFlag(String, String)

A flag was encountered when examining the current process's argument list which is known but cannot be handled in any sensible way.

The strings are the flag encountered and a human-readable message about why the flag could not be handled.

SpawnError(Error)

Spawning a subprocess failed.

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, fmt: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Error for Error

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

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); }

impl From<Error> for Error

fn from(err: Error) -> Error

Performs the conversion.