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