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//#[macro_use]
//extern crate serde_derive;
//
//extern crate serde;
//extern crate serde_json;
//extern crate bincode;
//
//#[derive(Serialize, Deserialize)]
//struct City {
// name: String,
// population: usize,
// latitude: f64,
// longitude: f64,
//}
//
//fn main() {
// let calabar = City {
// name: String::from("Calabar"),
// population: 470_000,
// latitude: 4.95,
// longitude: 8.33,
// };
//
// let as_json = serde_json::to_string(&calabar).unwrap();
// let as_bincode = bincode::serialize(&calabar).unwrap();
//
// println!("json: {}", &as_json);
// println!("bincode: {:?}", &as_bincode);
// println!("bincode utf8: {:?}", String::from_utf8_lossy(&as_bincode));
//}
//use std::io::prelude::*;
//
//const BYTES_PER_LINE: usize = 16;
//const INPUT: &'static [u8] = br#"
//
//fn main() {
// println!("hello world")
//}"#;
//
//fn main() -> std::io::Result<()> {
// let mut buffer: Vec<u8> = vec!();
// INPUT.read_to_end(&mut buffer)?;
//
// let mut position_in_input = 0;
//
// for line in buffer.chunks(BYTES_PER_LINE) {
// print!("[0x{:08x}] ", position_in_input);
//
// for byte in line {
// print!("{:02x} ", byte);
// }
//
// println!();
// position_in_input += BYTES_PER_LINE;
// }
//
// Ok(())
//}
//use std::fs::File;
//use std::io::prelude::*;
//use std::env;
//
//const BYTES_PER_LINE: usize = 16;
//
//fn main() {
// let arg1 = env::args().nth(1);
// let fname = arg1.expect("usage: fview FILENAME");
//
// let mut f = File::open(&fname).expect("unable to open file");
// let mut pos = 0;
// let mut buffer = [0; BYTES_PER_LINE];
//
// while let Ok(_) = f.read_exact(&mut buffer) {
// print!("[0x{:08x}] ", pos);
//
// for byte in &buffer {
// match *byte {
// 0x00 => print!(". "),
// 0xff => print!("## "),
// _ => print!("{:02x} ", byte),
// }
// }
//
// println!("");
// pos += BYTES_PER_LINE;
// }
//}
use std::path::PathBuf;
fn main() {
let mut hello = PathBuf::from("/tmp/hello.txt");
hello.pop();
println!("{:?}", hello.display());
}
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