Enum rustc_borrowck::session_diagnostics::FnMutReturnTypeErr

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pub(crate) enum FnMutReturnTypeErr {
    ReturnClosure {
        span: Span,
    },
    ReturnAsyncBlock {
        span: Span,
    },
    ReturnRef {
        span: Span,
    },
}

Variants§

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ReturnClosure

Fields

§span: Span
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ReturnAsyncBlock

Fields

§span: Span
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ReturnRef

Fields

§span: Span

Trait Implementations§

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impl AddToDiagnostic for FnMutReturnTypeErr

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fn add_to_diagnostic_with<__F>(self, diag: &mut Diagnostic, f: __F)where __F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,

Add a subdiagnostic to an existing diagnostic where f is invoked on every message used (to optionally perform eager translation).
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fn add_to_diagnostic(self, diag: &mut Diagnostic)

Add a subdiagnostic to an existing diagnostic.

Auto Trait Implementations§

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<U> 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<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.
const: unstable · source§

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.
const: unstable · source§

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: 12 bytes

Size for each variant:

  • ReturnClosure: 8 bytes
  • ReturnAsyncBlock: 8 bytes
  • ReturnRef: 8 bytes