Enum rustc_borrowck::diagnostics::explain_borrow::BorrowExplanation

source · [−]

pub(crate) enum BorrowExplanation<'tcx> {
    UsedLater(LaterUseKind, Span, Option<Span>),
    UsedLaterInLoop(LaterUseKind, Span, Option<Span>),
    UsedLaterWhenDropped {
        drop_loc: Location,
        dropped_local: Local,
        should_note_order: bool,
    },
    MustBeValidFor {
        category: ConstraintCategory<'tcx>,
        from_closure: bool,
        span: Span,
        region_name: RegionName,
        opt_place_desc: Option<String>,
        extra_info: Vec<ExtraConstraintInfo>,
    },
    Unexplained,
}

Variants

`UsedLater(LaterUseKind, Span, Option)`

`UsedLaterInLoop(LaterUseKind, Span, Option)`

`UsedLaterWhenDropped`

Fields

drop_loc: Location

dropped_local: Local

should_note_order: bool

`MustBeValidFor`

Fields

category: ConstraintCategory<'tcx>

from_closure: bool

span: Span

region_name: RegionName

opt_place_desc: Option<String>

extra_info: Vec<ExtraConstraintInfo>

`Unexplained`

Implementations

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impl<'tcx> BorrowExplanation<'tcx>

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pub(crate) fn is_explained(&self) -> bool

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pub(crate) fn add_explanation_to_diagnostic(
 &self,
 tcx: TyCtxt<'tcx>,
 body: &Body<'tcx>,
 local_names: &IndexVec<Local, Option<Symbol>>,
 err: &mut Diagnostic,
 borrow_desc: &str,
 borrow_span: Option,
 multiple_borrow_span: Option<(Span, Span)>
)

source

fn add_lifetime_bound_suggestion_to_diagnostic(
 &self,
 err: &mut Diagnostic,
 category: &ConstraintCategory<'tcx>,
 span: Span,
 region_name: &RegionName
)

Trait Implementations

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impl<'tcx> Debug for BorrowExplanation<'tcx>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations

impl<'tcx> !RefUnwindSafe for BorrowExplanation<'tcx>

impl<'tcx> !Send for BorrowExplanation<'tcx>

impl<'tcx> !Sync for BorrowExplanation<'tcx>

impl<'tcx> Unpin for BorrowExplanation<'tcx>

impl<'tcx> !UnwindSafe for BorrowExplanation<'tcx>

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.

source

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.

source

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.

source

impl<'a, T> Captures<'a> for Twhere
T: ?Sized,

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: 144 bytes

Size for each variant:

UsedLater: 44 bytes
UsedLaterInLoop: 44 bytes
UsedLaterWhenDropped: 48 bytes
MustBeValidFor: 144 bytes
Unexplained: 0 bytes

Enum rustc_borrowck::diagnostics::explain_borrow::BorrowExplanation

Variants

UsedLater(LaterUseKind, Span, Option<Span>)

UsedLaterInLoop(LaterUseKind, Span, Option<Span>)

UsedLaterWhenDropped

Fields

MustBeValidFor

Fields

Unexplained

Implementations

impl<'tcx> BorrowExplanation<'tcx>

pub(crate) fn is_explained(&self) -> bool

pub(crate) fn add_explanation_to_diagnostic( &self, tcx: TyCtxt<'tcx>, body: &Body<'tcx>, local_names: &IndexVec<Local, Option<Symbol>>, err: &mut Diagnostic, borrow_desc: &str, borrow_span: Option<Span>, multiple_borrow_span: Option<(Span, Span)>)

fn add_lifetime_bound_suggestion_to_diagnostic( &self, err: &mut Diagnostic, category: &ConstraintCategory<'tcx>, span: Span, region_name: &RegionName)

Trait Implementations

impl<'tcx> Debug for BorrowExplanation<'tcx>

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

Auto Trait Implementations

impl<'tcx> !RefUnwindSafe for BorrowExplanation<'tcx>

impl<'tcx> !Send for BorrowExplanation<'tcx>

impl<'tcx> !Sync for BorrowExplanation<'tcx>

impl<'tcx> Unpin for BorrowExplanation<'tcx>

impl<'tcx> !UnwindSafe for BorrowExplanation<'tcx>

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<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<'a, T> Captures<'a> for Twhere T: ?Sized,

Layout

`UsedLater(LaterUseKind, Span, Option<Span>)`

`UsedLaterInLoop(LaterUseKind, Span, Option<Span>)`

`UsedLaterWhenDropped`

`MustBeValidFor`

`Unexplained`

pub(crate) fn add_explanation_to_diagnostic(
&self,
tcx: TyCtxt<'tcx>,
body: &Body<'tcx>,
local_names: &IndexVec<Local, Option<Symbol>>,
err: &mut Diagnostic,
borrow_desc: &str,
borrow_span: Option<Span>,
multiple_borrow_span: Option<(Span, Span)>
)

fn add_lifetime_bound_suggestion_to_diagnostic(
&self,
err: &mut Diagnostic,
category: &ConstraintCategory<'tcx>,
span: Span,
region_name: &RegionName
)

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

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

impl<'a, T> Captures<'a> for Twhere
T: ?Sized,