Function display_inline_res 

pub fn display_inline_res<E: From<Error>, W: Write, T, I: Iterator<Item = Result<T, E>>, F: FnMut(T, &mut W) -> Result>(
    f: &mut W,
    iter: I,
    fmt_one: F,
    sep: char,
    skip_first_sep: bool,
) -> Result<(), E>