Struct nom::error::Error

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pub struct Error<I> {
    pub input: I,
    pub code: ErrorKind,
}
Expand description

default error type, only contains the error’ location and code

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§input: I

position of the error in the input data

§code: ErrorKind

nom error code

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impl<I> Error<I>

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pub fn new(input: I, code: ErrorKind) -> Error<I>

creates a new basic error

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impl<I> ContextError<I> for Error<I>

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fn add_context(_input: I, _ctx: &'static str, other: Self) -> Self

Creates a new error from an input position, a static string and an existing error. This is used mainly in the context combinator, to add user friendly information to errors when backtracking through a parse tree
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impl<I: Debug> Debug for Error<I>

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

Formats the value using the given formatter. Read more
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impl<I: Display> Display for Error<I>

The Display implementation allows the std::error::Error implementation

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

Formats the value using the given formatter. Read more
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impl<I: Debug + Display> Error for Error<I>

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fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type based access to context intended for error reports. Read more
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impl<I> ErrorConvert<Error<(I, usize)>> for Error<I>

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fn convert(self) -> Error<(I, usize)>

Transform to another error type
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impl<I> ErrorConvert<Error<I>> for Error<(I, usize)>

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fn convert(self) -> Error<I>

Transform to another error type
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impl<I, E> FromExternalError<I, E> for Error<I>

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fn from_external_error(input: I, kind: ErrorKind, _e: E) -> Self

Create a new error from an input position and an external error

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impl<I> ParseError<I> for Error<I>

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fn from_error_kind(input: I, kind: ErrorKind) -> Self

Creates an error from the input position and an ErrorKind
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fn append(_: I, _: ErrorKind, other: Self) -> Self

Combines an existing error with a new one created from the input position and an ErrorKind. This is useful when backtracking through a parse tree, accumulating error context on the way
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fn from_char(input: I, _: char) -> Self

Creates an error from an input position and an expected character
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fn or(self, other: Self) -> Self

Combines two existing errors. This function is used to compare errors generated in various branches of alt.
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impl<I: PartialEq> PartialEq<Error<I>> for Error<I>

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fn eq(&self, other: &Error<I>) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<I> StructuralPartialEq for Error<I>

Auto Trait Implementations§

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impl<I> RefUnwindSafe for Error<I>where I: RefUnwindSafe,

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impl<I> Send for Error<I>where I: Send,

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impl<I> Sync for Error<I>where I: Sync,

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impl<I> Unpin for Error<I>where I: Unpin,

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impl<I> UnwindSafe for Error<I>where I: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<E> Provider for Ewhere E: Error + ?Sized,

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fn provide<'a>(&'a self, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (provide_any)
Data providers should implement this method to provide all values they are able to provide by using demand. Read more
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impl<T> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.