Function itemize_list

pub(crate) fn itemize_list<'a, T, I, F1, F2, F3>(
    snippet_provider: &'a SnippetProvider,
    inner: I,
    terminator: &'a str,
    separator: &'a str,
    get_lo: F1,
    get_hi: F2,
    get_item_string: F3,
    prev_span_end: BytePos,
    next_span_start: BytePos,
    leave_last: bool,
) -> ListItems<'a, I, F1, F2, F3> 
where
    I: Iterator<Item = T>,
    F1: Fn(&T) -> BytePos,
    F2: Fn(&T) -> BytePos,
    F3: Fn(&T) -> Result<String, RewriteError>,