3 #![warn(print_literal)]
6 // these should be fine
10 println!("Hello {}", world);
11 println!("3 in hex is {:X}", 3);
12 println!("2 + 1 = {:.4}", 3);
13 println!("2 + 1 = {:5.4}", 3);
14 println!("Debug test {:?}", "hello, world");
15 println!("{0:8} {1:>8}", "hello", "world");
16 println!("{1:8} {0:>8}", "hello", "world");
17 println!("{foo:8} {bar:>8}", foo="hello", bar="world");
18 println!("{bar:8} {foo:>8}", foo="hello", bar="world");
19 println!("{number:>width$}", number=1, width=6);
20 println!("{number:>0width$}", number=1, width=6);
22 // these should throw warnings
23 println!("{} of {:b} people know binary, the other half doesn't", 1, 2);
24 print!("Hello {}", "world");
25 println!("Hello {} {}", world, "world");
26 println!("Hello {}", "world");
27 println!("10 / 4 is {}", 2.5);
28 println!("2 + 1 = {}", 3);
30 // positional args don't change the fact
31 // that we're using a literal -- this should
33 println!("{0} {1}", "hello", "world");
34 println!("{1} {0}", "hello", "world");
36 // named args shouldn't change anything either
37 println!("{foo} {bar}", foo="hello", bar="world");
38 println!("{bar} {foo}", foo="hello", bar="world");