scala - readLines 流

Question

我试图从 readLine 调用创建一个无限的字符串流:

import java.io.{BufferedReader, InputStreamReader}
val in = new BufferedReader(new InputStreamReader(System in))
val input: Stream[String] = Stream.cons(in readLine, input)

但似乎没有懒惰地调用 readLine 调用。输入该代码后， readLine 立即需要输入，然后 Stream 成为同一输入的无限列表。有没有可能实现我的想法？

Answer 1

import java.io.{BufferedReader, InputStreamReader}
val in = new BufferedReader(new InputStreamReader(System in))
val input = Stream.continually(in readLine)