[−][src]Struct regex_syntax::ast::Error
An error that occurred while parsing a regular expression into an abstract syntax tree.
Note that note all ASTs represents a valid regular expression. For example,
an AST is constructed without error for \p{Quux}
, but Quux
is not a
valid Unicode property name. That particular error is reported when
translating an AST to the high-level intermediate representation (HIR
).
Methods
impl Error
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pub fn kind(&self) -> &ErrorKind
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Return the type of this error.
pub fn pattern(&self) -> &str
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The original pattern string in which this error occurred.
Every span reported by this error is reported in terms of this string.
pub fn span(&self) -> &Span
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Return the span at which this error occurred.
pub fn auxiliary_span(&self) -> Option<&Span>
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Return an auxiliary span. This span exists only for some errors that benefit from being able to point to two locations in the original regular expression. For example, "duplicate" errors will have the main error position set to the duplicate occurrence while its auxiliary span will be set to the initial occurrence.
Trait Implementations
impl PartialEq<Error> for Error
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impl From<Error> for Error
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impl Clone for Error
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fn clone(&self) -> Error
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fn clone_from(&mut self, source: &Self)
1.0.0[src]
Performs copy-assignment from source
. Read more
impl Eq for Error
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impl Display for Error
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impl Debug for Error
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impl Error for Error
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fn description(&self) -> &str
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fn cause(&self) -> Option<&dyn Error>
1.0.0[src]
replaced by Error::source, which can support downcasting
The lower-level cause of this error, if any. Read more
fn source(&self) -> Option<&(dyn Error + 'static)>
1.30.0[src]
The lower-level source of this error, if any. Read more
Auto Trait Implementations
Blanket Implementations
impl<T> From<T> for T
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,