Enum GrammarCompositionError 

pub enum GrammarCompositionError {
    InvalidBaseGrammar(String),
    DuplicateRule(String),
    SyntaxError(String),
    ExtensionConflict(String),
    IoError(String),
}

Errors that can occur during grammar composition

Variants

InvalidBaseGrammar(String)

DuplicateRule(String)

SyntaxError(String)

ExtensionConflict(String)

IoError(String)

Trait Implementations

impl Debug for GrammarCompositionError

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

Formats the value using the given formatter.

impl Display for GrammarCompositionError

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

Formats the value using the given formatter.

impl Error for GrammarCompositionError

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 From<GrammarCompositionError> for ExtensionParseError

fn from(source: GrammarCompositionError) -> Self

Converts to this type from the input type.

impl From<GrammarCompositionError> for ParseError

fn from(source: GrammarCompositionError) -> ParseError

Converts to this type from the input type.