본문 바로가기

예제15

[Rust] Concurrency : Message Passing 예제 (42일차) use std::thread; use std::sync::mpsc; fn main() { let (tx, rx) = mpsc::channel(); thread::spawn(move || { let val = String::from("Hi"); tx.send(val).unwrap(); }); let received = rx.recv().unwrap(); println!("Got: {}", received); } use std::thread; use std::sync::mpsc; fn main() { let (tx, rx) = mpsc::channel(); thread::spawn(move || { let val = String::from("Greetings"); tx.send(val).unwrap(); p.. 2023. 1. 25.
[Rust] Circular Reference (순환 참조) 예제 (40일차) use std::rc::Rc; use std::cell::RefCell; use List::{Cons, Nil}; #[derive(Debug)] enum List { Cons(i32, RefCell), Nil, } impl List { fn tail(&self) -> Option { match *self { Cons(_, ref item) => Some(item), Nil => None, } } } fn main() { let a = Rc::new(Cons(5, RefCell::new(Rc::new(Nil)))); println!("a initial rc count = {}", Rc::strong_count(&a)); println!("a next item = {:?}", a.tail()); let b .. 2023. 1. 23.
[Rust] RefCell 예제 (39일차) #[derive(Debug)] enum List { Cons(Rc, Rc), Nil, } use List::{Cons, Nil}; use std::rc::Rc; use std::cell::RefCell; fn main() { let value = Rc::new(RefCell::new(5)); let a = Rc::new(Cons(Rc::clone(&value), Rc::new(Nil))); let b = Cons(Rc::new(RefCell::new(6)), Rc::clone(&a)); let c = Cons(Rc::new(RefCell::new(10)), Rc::clone(&a)); *value.borrow_mut() += 10; println!("a after = {:?}", a); println!(.. 2023. 1. 22.
[OS] Deadlock 예제 코드 (with Java, C++) [Example 1 in Java] public class DeadLock { public static void main(String[] args) throws InterruptedException { Thread mainThread = Thread.currentThread(); Thread thread1 = new Thread(new Runnable() { @Override public void run() { try { mainThread.join(); } catch (InterruptedException e) { e.printStackTrace(); } } }); thread1.start(); thread1.join(); } } // https://stackoverflow.com/questions/1.. 2022. 7. 24.

티스토리툴바