time::format_description::parse::strftime

Function into_items

Source 
fn into_items<'iter, 'token: 'iter>(
    tokens: Peekable<impl Iterator<Item = Result<Token<'token>, Error>> + 'iter>,
) -> impl Iterator<Item = Result<BorrowedFormatItem<'token>, Error>> + 'iter
Available on (crate features formatting or parsing) and crate feature alloc only.