usestd::path::PathBuf;/// Returns a greeting for the nested handler.
pubfnrun()-> String{"ok".into()}/// Helper for integration tests.
pubfnhome_marker_path()-> PathBuf{std::env::var_os("HOME").or_else(||std::env::var_os("USERPROFILE")).map(PathBuf::from).unwrap_or_else(||PathBuf::from(".")).join("new.txt")}