Rust

14.9    Practice Exercises

In this section, we’ll provide some practice questions to help reinforce your learning. The exercise questions cover almost all the concepts introduced in the chapter. Solutions to each exercise will follow in Section 14.10.

1. Completing multithreaded execution with print statementsComplete the following code. Your task is to spawn multiple threads, each printing the message “Hi from Thread” to the console. Inside the loop, implement the code to create a thread, add it to the vector thread_vec, and print the message from each spawned thread. Finally, ensure all threads run to completion by using join to wait for each thread.

   use std::thread;fn main() {    let mut thread_vec = vec![];    for i in 0..10 {        thread_vec.push