Struct rustc_expand::errors::MetaVarExprUnrecognizedVar

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pub(crate) struct MetaVarExprUnrecognizedVar {
    pub span: Span,
    pub key: MacroRulesNormalizedIdent,
}

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§span: Span§key: MacroRulesNormalizedIdent

Trait Implementations§

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impl<'__diagnostic_handler_sess, G> IntoDiagnostic<'__diagnostic_handler_sess, G> for MetaVarExprUnrecognizedVarwhere G: EmissionGuarantee,

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fn into_diagnostic( self, handler: &'__diagnostic_handler_sess Handler ) -> DiagnosticBuilder<'__diagnostic_handler_sess, G>

Write out as a diagnostic out of Handler.

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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<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.

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: 20 bytes