Function rustc_trait_selection::traits::object_safety::object_safety_violation_for_method

pub(in traits::object_safety) fn object_safety_violation_for_method(
    tcx: TyCtxt<'_>, 
    trait_def_id: DefId, 
    method: &AssocItem
) -> Option<(MethodViolationCode, Span)>

Returns Some(_) if this method makes the containing trait not object safe.