Enum rustc_borrowck::diagnostics::explain_borrow::BorrowExplanation

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

Variants

UsedLater(LaterUseKind, Span, Option<Span>)

Tuple Fields

0: LaterUseKind

1: Span

2: Option<Span>

UsedLaterInLoop(LaterUseKind, Span, Option<Span>)

Tuple Fields

0: LaterUseKind

1: Span

2: Option<Span>

UsedLaterWhenDropped

Fields

drop_loc: Location

dropped_local: Local

should_note_order: bool

MustBeValidFor

Fields

category: ConstraintCategory

from_closure: bool

span: Span

region_name: RegionName

opt_place_desc: Option<String>

Unexplained

Implementations

impl BorrowExplanation

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

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

pub(crate) fn add_lifetime_bound_suggestion_to_diagnostic(
    &self,
    err: &mut DiagnosticBuilder<'_>,
    category: &ConstraintCategory,
    span: Span,
    region_name: &RegionName
)

Trait Implementations

impl Debug for BorrowExplanation

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

Formats the value using the given formatter.

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: 128 bytes

Size for each variant:

• UsedLater: 23 bytes
• UsedLaterInLoop: 23 bytes
• UsedLaterWhenDropped: 23 bytes
• MustBeValidFor: 127 bytes
• Unexplained: 0 bytes