fnmain(){constSOME_INPUT:&str="aaa,bbb,ccc";// (Some("aaa"), Some("bbb,ccc"))
let result =split_optional::split2(SOME_INPUT,",");println!("{result:?}");// (Some("aaa"), Some("bbb"), Some("ccc"))
let result =split_optional::split3(SOME_INPUT,",");println!("{result:?}");// (Some("aaa"), Some("bbb"), Some("ccc"), None)
let result =split_optional::split4(SOME_INPUT,",");println!("{result:?}");// (Some("aaa"), Some("bbb"), Some("ccc"), None, None)
let result =split_optional::split5(SOME_INPUT,",");println!("{result:?}");}