rustc_attr_parsing::session_diagnostics

Enum AttributeParseErrorReason

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pub(crate) enum AttributeParseErrorReason {
    ExpectedNoArgs,
    ExpectedStringLiteral {
        byte_string: Option<Span>,
    },
    ExpectedAtLeastOneArgument,
    ExpectedSingleArgument,
    ExpectedList,
    UnexpectedLiteral,
    ExpectedNameValue(Option<Symbol>),
    DuplicateKey(Symbol),
    ExpectedSpecificArgument {
        possibilities: Vec<&'static str>,
        strings: bool,
    },
}

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ExpectedNoArgs

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ExpectedStringLiteral

Fields

§byte_string: Option<Span>
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ExpectedAtLeastOneArgument

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ExpectedSingleArgument

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ExpectedList

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UnexpectedLiteral

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ExpectedNameValue(Option<Symbol>)

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DuplicateKey(Symbol)

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ExpectedSpecificArgument

Fields

§possibilities: Vec<&'static str>
§strings: bool

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impl<T> Aligned for T

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const ALIGN: Alignment

Alignment of Self.
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impl<T> Any for T
where 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 T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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where T: ?Sized,

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

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impl<T, R> CollectAndApply<T, R> for T

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
where I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(DataRequest<'_>) -> bool>

Creates a filterable data provider with the given name for debugging. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

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fn in_current_span(self) -> Instrumented<Self>

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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<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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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 T
where 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.
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where U: UpcastFrom<I, T>,

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fn upcast(self, interner: I) -> U

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where S: Into<Dispatch>,

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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T
where T: Send + Sync,

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 32 bytes

Size for each variant:

  • ExpectedNoArgs: 0 bytes
  • ExpectedStringLiteral: 20 bytes
  • ExpectedAtLeastOneArgument: 0 bytes
  • ExpectedSingleArgument: 0 bytes
  • ExpectedList: 0 bytes
  • UnexpectedLiteral: 0 bytes
  • ExpectedNameValue: 12 bytes
  • DuplicateKey: 12 bytes
  • ExpectedSpecificArgument: 32 bytes