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Study56

[Rust] Web-Server 제작 (48일차) ==> 수신 스트림 대기 및 수신 시 msg 출력 // main.rs use std::net::TcpListener; fn main() { let listener = TcpListener::bind("127.0.0.1:7878").unwrap(); for stream in listener.incoming() { let stream = stream.unwrap(); println!("Connection established!"); } } >> TcpStream 에서 오는 Data 출력 use std::io::prelude::*; use std::net::TcpStream; use std::net::TcpListener; fn main() { let listener = TcpListener::bind("12.. 2023. 1. 30.
[Rust] Thunk 예제 (47일차) fn main() { // Define and call a thunk let thunk = || println!("I am a thunk"); thunk(); // Defining a closure and storing it in a variable to be used later let closure = || { println!("This is a closure stored in a variable"); }; closure(); } fn main() { // Pass a thunk as an argument to a function fn call_thunk(thunk: &dyn Fn()) { thunk(); } let thunk = || println!("I am a thunk"); call_thunk(.. 2023. 1. 29.
[Rust] 고급 Trait 예제 (46일차) impl Iterator for Counter { type Item = u32; fn next(&mut self) -> Option; } pub trait Iterator { fn next(&mut self) -> Option; } use std::ops::Add; #[derive(Debug, PartialEq)] struct Point { x: i32, y: i32, } impl Add for Point { type Output = Point; fn add(self, other: Point) -> Point { Point { x: self.x + other.x, y: self.y + other.y, } } } fn main() { assert_eq!(Point { x: 1, y: 0 } + Point .. 2023. 1. 29.
[Rust] Pattern : 여러 예제 (45일차) fn main() { let x = Some(5); let y = 10; match x { Some(50) => println!("Got 50"), Some(y) => println!("Matched, y = {:?}", y), _ => println!("Default case, x = {:?}", x), } println!("at the end: x = {:?}, y = {:?}", x, y); } fn main() { let x = 1; match x { 1 | 2 => println!("one or two"), 3 => println!("three"), _ => println!("anything"), } } fn main() { let x = 5; match x { 1..=5 => println!(.. 2023. 1. 28.

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