Function rustc_typeck::check::compare_method::compare_number_of_method_arguments

pub(in check::compare_method) fn compare_number_of_method_arguments<'tcx>(
    tcx: TyCtxt<'tcx>, 
    impl_m: &AssocItem, 
    impl_m_span: Span, 
    trait_m: &AssocItem, 
    trait_item_span: Option<Span>
) -> Result<(), ErrorReported>