Function rustc_trait_selection::traits::project::poly_project_and_unify_term
source · pub(super) fn poly_project_and_unify_term<'cx, 'tcx>(
selcx: &mut SelectionContext<'cx, 'tcx>,
obligation: &PolyProjectionObligation<'tcx>,
) -> ProjectAndUnifyResult<'tcx>
Expand description
Evaluates constraints of the form:
ⓘ
for<...> <T as Trait>::U == V
If successful, this may result in additional obligations. Also returns the projection cache key used to track these additional obligations.