Rust❤️ VecDeque 벡터 맨 앞에 넣으려고 하면 VecDeque가 빠르다

 

 

 

use std::collections::VecDeque;
fn main() {
    let mut a = VecDeque::from([1, 2, 3]);

    a.push_back(6);

    let doubled: VecDeque<i32> = a.iter().map(|&x| x * 2).collect();

    println!("{doubled:?}");
}

결과

cargo run
   Compiling rust_polyglot v0.1.0 (/Users/globalyoung/Documents/Project/Github/rust_project/rust_polyglot)
    Finished dev [unoptimized + debuginfo] target(s) in 0.10s
     Running `target/debug/rust_polyglot`
[2, 4, 6, 12]

 

 

출처 : https://doc.rust-lang.org/stable/std/collections/struct.VecDeque.html

VecDeque in std::collections - Rust

 

 

다른 출처 : 

 

프로그래밍 언어 러스트를 배웁시다! 056 Easy Rust in Korean: VecDeque

https://youtu.be/vM42cJIwjbE