-
-
-#![warn(print_literal)]
+#![warn(clippy::print_literal)]
fn main() {
// these should be fine
println!("Hello");
let world = "world";
println!("Hello {}", world);
+ println!("Hello {world}", world = world);
println!("3 in hex is {:X}", 3);
-
- // this in theory shouldn't yield a warning,
- // but at present time, it's a known edge case
- // that isn't handled (because we can't expand
- // `println!` and not `env!`)
- println!("foo: {}", env!("BAR"));
+ println!("2 + 1 = {:.4}", 3);
+ println!("2 + 1 = {:5.4}", 3);
+ println!("Debug test {:?}", "hello, world");
+ println!("{0:8} {1:>8}", "hello", "world");
+ println!("{1:8} {0:>8}", "hello", "world");
+ println!("{foo:8} {bar:>8}", foo = "hello", bar = "world");
+ println!("{bar:8} {foo:>8}", foo = "hello", bar = "world");
+ println!("{number:>width$}", number = 1, width = 6);
+ println!("{number:>0width$}", number = 1, width = 6);
// these should throw warnings
print!("Hello {}", "world");
println!("Hello {} {}", world, "world");
println!("Hello {}", "world");
- println!("10 / 4 is {}", 2.5);
- println!("2 + 1 = {}", 3);
- println!("2 + 1 = {:.4}", 3);
- println!("2 + 1 = {:5.4}", 3);
- println!("Debug test {:?}", "hello, world");
// positional args don't change the fact
// that we're using a literal -- this should
println!("{1} {0}", "hello", "world");
// named args shouldn't change anything either
- println!("{foo} {bar}", foo="hello", bar="world");
- println!("{bar} {foo}", foo="hello", bar="world");
+ println!("{foo} {bar}", foo = "hello", bar = "world");
+ println!("{bar} {foo}", foo = "hello", bar = "world");
}