Enum HelpMsg 

pub enum HelpMsg {
    EscapeToMatchLiteral {
        name: &'static str,
        escaped: &'static str,
    },
}

A help message, either to a programmer or Regex writer

The addressee of the message can be retrieved with the kind method.

Variants

EscapeToMatchLiteral

Fields

name: &'static str

escaped: &'static str

Implementations

impl HelpMsg

pub fn kind(&self) -> HelpKind

Returns the kind of help message that this corresponds to

Internally, this is used for filtering out help messages when diplaying a CompileError with different configurations.

Trait Implementations

impl Clone for HelpMsg

fn clone(&self) -> HelpMsg

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for HelpMsg

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

Formats the value using the given formatter.

impl Display for HelpMsg

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

Formats the value using the given formatter.

impl Error for HelpMsg

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.

impl Copy for HelpMsg