rust/tests/ui/deriving/deriving-meta-multiple.rs

27 lines
594 B
Rust

//@ run-pass
#![allow(unused_must_use)]
#![allow(unused_imports)]
//@ pretty-expanded FIXME #23616
#![allow(deprecated)]
use std::hash::{Hash, SipHasher};
// testing multiple separate deriving attributes
#[derive(PartialEq)]
#[derive(Clone)]
#[derive(Hash)]
struct Foo {
bar: usize,
baz: isize
}
fn hash<T: Hash>(_t: &T) {}
pub fn main() {
let a = Foo {bar: 4, baz: -3};
a == a; // check for PartialEq impl w/o testing its correctness
a.clone(); // check for Clone impl w/o testing its correctness
hash(&a); // check for Hash impl w/o testing its correctness
}