fn main() { // `print!` is like `println!` but it doesn't add a newline at the end print!("January has "); // `{}` are placeholders for arguments that will be stringified println!("{} days", 31); // Without a suffix, 31 becomes an i32. You can change what type 31 is, // with a suffix, and that is covered in the next chapter. // The positional arguments can be reused along the template println!("{0}, this is {1}. {1}, this is {0}", "Alice", "Bob"); // Named arguments can also be used println!("{subject} {verb} {predicate}", predicate="over the lazy dog", subject="the quick brown fox", verb="jumps"); // Special formatting can be specified in the placeholder after a `:` println!("{} of {:b} people know binary, the other half don't", 1, 2); // Error! You are missing an argument println!("My name is {0}, {1} {0}", "Bond"); // FIXME ^ Add the missing argument: "James" }