use password_hash::{PasswordHash, ParamsString, Salt, Ident};



fn main() {
    let ph = PasswordHash{
        algorithm: Ident::new("argon2d"),
        version:None,
        params:ParamsString::new(),
        salt:Some(Salt::new("sample").unwrap()),
        hash:None,
    };
    PasswordHash::generate()
    let bs = "hello world".as_bytes();
    let bs_len = ph.encoding().encoded_len(bs);
    let mut output = vec![0u8; bs_len];
    let r = ph.encoding().encode("hello world".as_bytes(), &mut output);
    println!("P: {:?}", r);
    println!("P: {:?}", output);
}