Enum rustc::infer::SubregionOrigin

pub enum SubregionOrigin<'tcx> {
    Subtype(TypeTrace<'tcx>),
    InfStackClosure(Span),
    InvokeClosure(Span),
    DerefPointer(Span),
    FreeVariable(Span, NodeId),
    IndexSlice(Span),
    RelateObjectBound(Span),
    RelateParamBound(Span, Ty<'tcx>),
    RelateRegionParamBound(Span),
    RelateDefaultParamBound(Span, Ty<'tcx>),
    Reborrow(Span),
    ReborrowUpvar(Span, UpvarId),
    DataBorrowed(Ty<'tcx>, Span),
    ReferenceOutlivesReferent(Ty<'tcx>, Span),
    ParameterInScope(ParameterOrigin, Span),
    ExprTypeIsNotInScope(Ty<'tcx>, Span),
    BindingTypeIsNotValidAtDecl(Span),
    CallRcvr(Span),
    CallArg(Span),
    CallReturn(Span),
    Operand(Span),
    AddrOf(Span),
    AutoBorrow(Span),
    SafeDestructor(Span),
    CompareImplMethodObligation {
        span: Span,
        item_name: Name,
        impl_item_def_id: DefId,
        trait_item_def_id: DefId,
        lint_id: Option<NodeId>,
    },
}

🔬 This is a nightly-only experimental API. (rustc_private)

The origin of a r1 <= r2 constraint.

See error_reporting module for more details

Variants

Subtype(TypeTrace<'tcx>)

🔬 This is a nightly-only experimental API. (rustc_private)

InfStackClosure(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

InvokeClosure(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

DerefPointer(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

FreeVariable(Span, NodeId)

🔬 This is a nightly-only experimental API. (rustc_private)

IndexSlice(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

RelateObjectBound(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

RelateParamBound(Span, Ty<'tcx>)

🔬 This is a nightly-only experimental API. (rustc_private)

RelateRegionParamBound(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

RelateDefaultParamBound(Span, Ty<'tcx>)

🔬 This is a nightly-only experimental API. (rustc_private)

Reborrow(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

ReborrowUpvar(Span, UpvarId)

🔬 This is a nightly-only experimental API. (rustc_private)

DataBorrowed(Ty<'tcx>, Span)

🔬 This is a nightly-only experimental API. (rustc_private)

ReferenceOutlivesReferent(Ty<'tcx>, Span)

🔬 This is a nightly-only experimental API. (rustc_private)

ParameterInScope(ParameterOrigin, Span)

🔬 This is a nightly-only experimental API. (rustc_private)

ExprTypeIsNotInScope(Ty<'tcx>, Span)

🔬 This is a nightly-only experimental API. (rustc_private)

BindingTypeIsNotValidAtDecl(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

CallRcvr(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

CallArg(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

CallReturn(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

Operand(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

AddrOf(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

AutoBorrow(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

SafeDestructor(Span)

🔬 This is a nightly-only experimental API. (rustc_private)

CompareImplMethodObligation

🔬 This is a nightly-only experimental API. (rustc_private)

Fields of CompareImplMethodObligation

span: Span	🔬 This is a nightly-only experimental API. (rustc_private)
item_name: Name	🔬 This is a nightly-only experimental API. (rustc_private)
impl_item_def_id: DefId	🔬 This is a nightly-only experimental API. (rustc_private)
trait_item_def_id: DefId	🔬 This is a nightly-only experimental API. (rustc_private)
lint_id: Option<NodeId>	🔬 This is a nightly-only experimental API. (rustc_private)

Methods

impl<'tcx> SubregionOrigin<'tcx>

fn span(&self) -> Span

🔬 This is a nightly-only experimental API. (rustc_private)

fn from_obligation_cause<F>(cause: &ObligationCause<'tcx>, default: F) -> Self where F: FnOnce() -> Self

🔬 This is a nightly-only experimental API. (rustc_private)

Trait Implementations

impl<'tcx> Clone for SubregionOrigin<'tcx>

fn clone(&self) -> SubregionOrigin<'tcx>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'tcx> Debug for SubregionOrigin<'tcx>

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.