let mut vec: Vec<i32> = Vec::<i32>::new();
// The central handle to the standard input is made available by the function `io::stdin`.
let stdin = io::stdin();
- println!("Enter a list of numbers, one per line. End with Ctrl-D.");
+ println!("Enter a list of numbers, one per line. End with Ctrl-D (Linux) or Ctrl-Z (Windows).");
//@ We would now like to iterate over standard input line-by-line. We can use a `for` loop
//@ for that, but there is a catch: What happens if there is some other piece of code running
//@ concurrently, that also reads from standard input? The result would be a mess. Hence
// Notice that I called the function on `SomethingOrNothing` `print2` to disambiguate from the `print` defined previously.
//
// *Hint*: There is a macro `print!` for printing without appending a newline.
-trait Print {
+pub trait Print {
/* Add things here */
}
impl<T: Print> SomethingOrNothing<T> {