use Result;
pub fn get() -> Result<String> {
Err("unsupported operating system".into())
}
pub fn set_from_path(_: &str) -> Result<()> {
Err("unsupported operating system".into())
}
#[cfg(feature = "from_url")]
pub fn set_from_url(_: &str) -> Result<()> {
Err("unsupported operating system".into())
}
pub fn set_mode(_: Mode) -> Result<()> {
Err("unsupported operating system".into())
}