Struct brainfrick::Error

pub struct Error { /* fields omitted */ }

An error originating from this crate.

Implementations

impl Error

pub fn kind(&self) -> ErrorKind

The kind of error.

pub fn line(&self) -> usize

The line of brainfuck this error occurred on (starting from 0).

pub fn col(&self) -> usize

The column of brainfuck this error occurred on (starting from 0).

pub fn brainfuck(&self) -> &str

The original, brainfuck 'source' this error came from.

If you don't like swearing, you may use Error::brainfrick.

Example

// this will run infinitely and therefore error
let code = "+[++++]";
let result = Brainfuck::execute(code).unwrap_err();
assert_eq!(code, result.brainfuck());

pub fn brainfrick(&self) -> &str

An alias for Error::brainfuck.

pub fn output(&self) -> Option<&str>

The output produced before the error occurred, if applicable.

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