Function flood_tide::parse_simple_gnu_style_subcmd

pub fn parse_simple_gnu_style_subcmd<'a, T, F>(
    conf: &mut T, 
    opt_ary: &'a [Opt<'_>], 
    sho_idx_ary: &'a [(u8, usize)], 
    args: &'a [&'a str], 
    parse_match: F, 
    subcmds: &'a [&'a str]
) -> (Option<Vec<String>>, Result<(), OpErr>) where
    F: Fn(&mut T, &NameVal<'_>) -> Result<(), OptParseError>,
    T: HelpVersion + SubCommand, 

Parse simple gnu style with sub command.