Struct proc_macro2::LexError

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pub struct LexError { /* private fields */ }

Expand description

Error returned from TokenStream::from_str.

Implementations

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impl LexError

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pub fn span(&self) -> Span

Trait Implementations

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impl Debug for LexError

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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 Display for LexError

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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 Error for LexError

1.30.0 · source

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

The lower-level source of this error, if any. Read more

1.0.0 · source

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

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fn provide(&'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

Auto Trait Implementations

impl RefUnwindSafe for LexError

impl !Send for LexError

impl !Sync for LexError

impl Unpin for LexError

impl UnwindSafe for LexError

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,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source

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

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

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 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 for Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for Twhere
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct proc_macro2::LexError

Implementations

impl LexError

pub fn span(&self) -> Span

Trait Implementations

impl Debug for LexError

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

impl Display for LexError

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

impl Error for LexError

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

fn description(&self) -> &str

fn cause(&self) -> Option<&dyn Error>

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

Auto Trait Implementations

impl RefUnwindSafe for LexError

impl !Send for LexError

impl !Sync for LexError

impl Unpin for LexError

impl UnwindSafe for LexError

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

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

impl<T> ToString for Twhere T: Display + ?Sized,

default fn to_string(&self) -> String

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

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

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

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

impl<T> ToString for Twhere
T: Display + ?Sized,

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

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,