rust/tests/ui/print.rs
2017-02-08 14:58:07 +01:00

42 lines
674 B
Rust

#![feature(plugin)]
#![plugin(clippy)]
#![deny(print_stdout, 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];
}