1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
#![allow(clippy::print_literal, clippy::write_literal)]
#![warn(clippy::print_stdout, clippy::use_debug)]
use std::fmt::{Debug, Display, Formatter, Result};
#[allow(dead_code)]
struct Foo;
impl Display for Foo {
fn fmt(&self, f: &mut Formatter) -> Result {
write!(f, "{:?}", 43.1415)
}
}
impl Debug for Foo {
fn fmt(&self, f: &mut Formatter) -> Result {
// ok, we can use `Debug` formatting in `Debug` implementations
write!(f, "{:?}", 42.718)
}
}
fn main() {
println!("Hello");
print!("Hello");
print!("Hello {}", "World");
print!("Hello {:?}", "World");
print!("Hello {:#?}", "#orld");
assert_eq!(42, 1337);
vec![1, 2];
}
|
