Enum IdentifierError 

pub enum IdentifierError {
    Empty,
    TooLong {
        max_length: usize,
    },
    InvalidCharacter {
        ch: char,
    },
    InvalidStartCharacter {
        ch: char,
    },
}

Errors returned by validate_identifier.

Variants

Empty

The identifier is an empty string.

TooLong

The identifier exceeds the allowed maximum length.

Fields

max_length: usize

The maximum allowed length.

InvalidCharacter

The identifier contains a character that is not alphanumeric, hyphen, or underscore.

Fields

ch: char

The invalid character found.

InvalidStartCharacter

The identifier starts with a character that is not alphanumeric or underscore.

Fields

ch: char

The invalid starting character.

Trait Implementations

impl Debug for IdentifierError

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

Formats the value using the given formatter.

impl Display for IdentifierError

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

Formats the value using the given formatter.

impl Error for IdentifierError

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.