Enum rustc_parse::errors::TopLevelOrPatternNotAllowed

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pub(crate) enum TopLevelOrPatternNotAllowed {
    LetBinding {
        span: Span,
        sub: Option<TopLevelOrPatternNotAllowedSugg>,
    },
    FunctionParameter {
        span: Span,
        sub: Option<TopLevelOrPatternNotAllowedSugg>,
    },
}

Variants§

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LetBinding

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FunctionParameter

Trait Implementations§

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impl<'_sess, G> Diagnostic<'_sess, G> for TopLevelOrPatternNotAllowed
where G: EmissionGuarantee,

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fn into_diag(self, dcx: &'_sess DiagCtxt, level: Level) -> Diag<'_sess, G>

Write out as a diagnostic out of DiagCtxt.

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Blanket Implementations§

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impl<T> Aligned for T

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const ALIGN: Alignment = _

Alignment of Self.
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where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

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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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impl<T> Filterable for T

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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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fn from(t: T) -> T

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fn instrument(self, span: Span) -> 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> 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

Initializes a with the given initializer. Read more
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Dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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type Output = T

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type Error = Infallible

The type returned in the event of a conversion error.
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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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where T: Send + Sync,

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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: 56 bytes

Size for each variant:

  • LetBinding: 52 bytes
  • FunctionParameter: 52 bytes