Function new 

pub fn new<F>(
    path: &str,
    name: &Option<String>,
    account: &Option<String>,
    domain: &Option<String>,
    is_bin: bool,
    is_lib: bool,
    are_tests: bool,
    home_dir: &Option<String>,
    bin_path: &Option<String>,
    lib_path: &Option<String>,
    doc_path: &Option<String>,
    f: F,
) -> Option<i32>
where
    F: FnOnce(&mut Home) -> bool,

A new command.