Struct rustc_trait_selection::traits::ChalkFulfillmentContext

pub struct ChalkFulfillmentContext<'tcx> {
    obligations: FxIndexSet<PredicateObligation<'tcx>>,
    usable_in_snapshot: bool,
}

Fields

obligations: FxIndexSet<PredicateObligation<'tcx>>

usable_in_snapshot: bool

Implementations

impl FulfillmentContext<'_>

pub(super) fn new() -> Self

pub(crate) fn new_in_snapshot() -> Self

Trait Implementations

impl<'tcx> TraitEngine<'tcx> for FulfillmentContext<'tcx>

fn register_predicate_obligation( &mut self, infcx: &InferCtxt<'tcx>, obligation: PredicateObligation<'tcx> )

fn collect_remaining_errors( &mut self, _infcx: &InferCtxt<'tcx> ) -> Vec<FulfillmentError<'tcx>>

fn select_where_possible( &mut self, infcx: &InferCtxt<'tcx> ) -> Vec<FulfillmentError<'tcx>>

fn drain_unstalled_obligations( &mut self, _: &InferCtxt<'tcx> ) -> Vec<PredicateObligation<'tcx>>

Among all pending obligations, collect those are stalled on a inference variable which has changed since the last call to select_where_possible. Those obligations are marked as successful and returned.

fn pending_obligations(&self) -> Vec<PredicateObligation<'tcx>>

fn register_bound( &mut self, infcx: &InferCtxt<'tcx>, param_env: ParamEnv<'tcx>, ty: Ty<'tcx>, def_id: DefId, cause: ObligationCause<'tcx> )

Requires that ty must implement the trait with def_id in the given environment. This trait must not have any type parameters (except for Self).

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:64 bytes