1 #![warn(clippy::print_literal)]
2 #![allow(clippy::uninlined_format_args)]
5 // these should be fine
9 println!("Hello {}", world);
10 println!("Hello {world}", world = 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);
21 println!("{} of {:b} people know binary, the other half doesn't", 1, 2);
22 println!("10 / 4 is {}", 2.5);
23 println!("2 + 1 = {}", 3);
24 println!("From expansion {}", stringify!(not a string literal));
26 // these should throw warnings
27 print!("Hello {}", "world");
28 println!("Hello {} {}", world, "world");
29 println!("Hello {}", "world");
30 println!("{} {:.4}", "a literal", 5);
32 // positional args don't change the fact
33 // that we're using a literal -- this should
35 println!("{0} {1}", "hello", "world");
36 println!("{1} {0}", "hello", "world");
38 // named args shouldn't change anything either
39 println!("{foo} {bar}", foo = "hello", bar = "world");
40 println!("{bar} {foo}", foo = "hello", bar = "world");