Struct DefaultNotAllowedError

pub struct DefaultNotAllowedError;

Useful pre-made error

Implementations

impl DefaultNotAllowedError

pub fn new_box_result<T>() -> BoxResult<T>

Easily get a return value

Examples found in repository

examples/custom_tryread.rs (line 22)

	fn try_read_line(self, prompt: Option<String>, default: Option<Self::Default>) -> smart_read::BoxResult<Self::Output> {
		if default.is_some() {return DefaultNotAllowedError::new_box_result();}
		let prompt = prompt.unwrap_or_else(
			|| format!("Enter a password (must have {}+ characters and have {}+ digits): ", self.min_len, self.min_digits)
		);
		loop {
			
			print!("{prompt}");
			let password = read_stdin()?;
			
			if password.len() < 10 {
				println!("Password must have at least 10 characters");
				continue;
			}
			if password.chars().filter(|c| c.is_digit(10)).count() < 1 {
				println!("Password must have at least 1 digit");
				continue;
			}
			
			return Ok(password)
			
		}
	}

Trait Implementations

impl Debug for DefaultNotAllowedError

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

Formats the value using the given formatter.

impl Display for DefaultNotAllowedError

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

Formats the value using the given formatter.

impl Error for DefaultNotAllowedError

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.