Function rustc_typeck::collect::gather_explicit_predicates_of

pub(in collect) fn gather_explicit_predicates_of(
    tcx: TyCtxt<'_>, 
    def_id: DefId
) -> GenericPredicates<'_>

Returns a list of user-specified type predicates for the definition with ID def_id. N.B., this does not include any implied/inferred constraints.