Racket 并发与同步
Threads 创建一个新线程： (thread (lambda() (displayln "This is a new thread"))) 休眠线程并且杀掉: (define worker (thread (lambda () (let loop () (displayln "Working...") (sleep 0.2) (loop))))) (sleep 2.5) (kill-thread worker) 如果主线程退出或者被杀掉，其子线程也面临着退出, 可以利用therad-wait来等待其他线程执行完成. ...