src/test/ui/deriving/deriving-meta-multiple.rs

   1 // run-pass
   2 #![allow(unused_must_use)]
   3 #![allow(unused_imports)]
   4 // pretty-expanded FIXME #23616
   5 #![allow(deprecated)]
   6
   7 use std::hash::{Hash, SipHasher};
   8
   9 // testing multiple separate deriving attributes
  10 #[derive(PartialEq)]
  11 #[derive(Clone)]
  12 #[derive(Hash)]
  13 struct Foo {
  14     bar: usize,
  15     baz: isize
  16 }
  17
  18 fn hash<T: Hash>(_t: &T) {}
  19
  20 pub fn main() {
  21     let a = Foo {bar: 4, baz: -3};
  22
  23     a == a;    // check for PartialEq impl w/o testing its correctness
  24     a.clone(); // check for Clone impl w/o testing its correctness
  25     hash(&a);  // check for Hash impl w/o testing its correctness
  26 }