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Diffstat (limited to 'meap/ch7.bak/src/main.rs')
-rwxr-xr-xmeap/ch7.bak/src/main.rs100
1 files changed, 100 insertions, 0 deletions
diff --git a/meap/ch7.bak/src/main.rs b/meap/ch7.bak/src/main.rs
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+++ b/meap/ch7.bak/src/main.rs
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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());
+}