main
use sha2::{Digest, Sha256};
mod hello;
#[derive(Debug)]
struct Name {
family: String,
first: String,
age: i32,
}
fn main() {
let n = hello::FamilyName { family: "tanaka".to_string() };
hello::print_hello();
println!("{:?}", n);
let hash = Sha256::digest("hello world");
println!("{:x}", hash);
}
sub
use sha2::{Digest, Sha256};
use crate::Name;
#[derive(Debug)]
pub struct FamilyName {
pub family: String,
}
pub fn print_hello() {
let n = Name {family: "yamada".to_string(), first: "taro".to_string(), age:15};
let hash = Sha256::digest("hello world");
println!("hello world! {:?}", n);
println!("{:x}", hash);
}
hello world! Name { family: “yamada”, first: “taro”, age: 15 }
b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9
FamilyName { family: “tanaka” }
b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9
ライブラリの呼び出しは、メイン、サブ両方のヘッダで書くことができる
メインがsubを呼び出す際は、mod hello;、サブがメインを呼び出す際は、use crate::Name;で呼び出せる。
クライアント側
fn main() {
let coninfo = args[1].to_string() + ":" + &args[2];
let coninfo = TcpListener::bind(coninfo).expect("COuld not bind");
let mut stream = TcpStream::connect(coninfo).expect("could not connect to Server");
loop {
let mut input = String::new();
let mut buffer: Vec<u8> = Vec::new();
io::stdin().read_line(&mut input).expect("Failed to read from stdin");
stream.write(input.as_bytes()).expect("Failed to write to server");
let mut reader = BufReader::new(&stream);
reader.read_until(b'\n', &mut buffer).expect("Could not read intop buffer");
print!("{}", std::from_utf8(&buffer).expect("Could not write buffer as string"));
}
}
