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//! Provider for the `implied_outlives_bounds` query.
//! Do not call this query directory. See
//! [`rustc_trait_selection::traits::query::type_op::implied_outlives_bounds`].
use rustc_infer::infer::TyCtxtInferExt;
use rustc_infer::infer::canonical::{self, Canonical};
use rustc_infer::traits::query::OutlivesBound;
use rustc_infer::traits::query::type_op::ImpliedOutlivesBounds;
use rustc_middle::query::Providers;
use rustc_middle::ty::TyCtxt;
use rustc_span::DUMMY_SP;
use rustc_trait_selection::infer::InferCtxtBuilderExt;
use rustc_trait_selection::traits::query::type_op::implied_outlives_bounds::compute_implied_outlives_bounds_inner;
use rustc_trait_selection::traits::query::{CanonicalImpliedOutlivesBoundsGoal, NoSolution};
pub(crate) fn provide(p: &mut Providers) {
*p = Providers { implied_outlives_bounds, ..*p };
}
fn implied_outlives_bounds<'tcx>(
tcx: TyCtxt<'tcx>,
(goal, disable_implied_bounds_hack): (CanonicalImpliedOutlivesBoundsGoal<'tcx>, bool),
) -> Result<
&'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, Vec<OutlivesBound<'tcx>>>>,
NoSolution,
> {
tcx.infer_ctxt().enter_canonical_trait_query(&goal, |ocx, key| {
let (param_env, ImpliedOutlivesBounds { ty }) = key.into_parts();
compute_implied_outlives_bounds_inner(
ocx,
param_env,
ty,
DUMMY_SP,
disable_implied_bounds_hack,
)
})
}
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