Function rustc_middle::ty::relate::relate_args_with_variances
source · pub fn relate_args_with_variances<'tcx, R: TypeRelation<'tcx>>(
relation: &mut R,
ty_def_id: DefId,
variances: &[Variance],
a_arg: GenericArgsRef<'tcx>,
b_arg: GenericArgsRef<'tcx>,
fetch_ty_for_diag: bool
) -> RelateResult<'tcx, GenericArgsRef<'tcx>>