X-Git-Url: https://git.ralfj.de/rust-101.git/blobdiff_plain/832768ac8f69b436c1f90ad7a2f01af25091599a..a0ae4ec8a5da0e171cb2d2f68621fa98f5ea610b:/src/part03.rs diff --git a/src/part03.rs b/src/part03.rs index 548b082..b4bf2f3 100644 --- a/src/part03.rs +++ b/src/part03.rs @@ -6,7 +6,7 @@ //@ I/O is a complicated topic, so the code to do that is not exactly pretty - but well, //@ let's get that behind us. -// I/O is provided by the module `std::io`, so we first have import that with `use`. +// I/O is provided by the module `std::io`, so we first have to import that with `use`. // We also import the I/O *prelude*, which makes a bunch of commonly used I/O stuff // directly available. use std::io::prelude::*; @@ -24,7 +24,7 @@ fn read_vec() -> Vec { let mut vec: Vec = Vec::::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 @@ -104,7 +104,7 @@ pub fn main() { // 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 SomethingOrNothing { @@ -116,4 +116,4 @@ impl SomethingOrNothing { // **Exercise 03.2**: Building on exercise 02.2, implement all the things you need on `f32` to make your // program work with floating-point numbers. -//@ [index](main.html) | [previous](part02.html) | [raw source](https://www.ralfj.de/git/rust-101.git/blob_plain/HEAD:/workspace/src/part03.rs) | [next](part04.html) +//@ [index](main.html) | [previous](part02.html) | [raw source](workspace/src/part03.rs) | [next](part04.html)