tests/ui/deriving/deriving-meta.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 #[derive(PartialEq, Clone, Hash)]
  10 struct Foo {
  11     bar: usize,
  12     baz: isize
  13 }
  14
  15 fn hash<T: Hash>(_t: &T) {}
  16
  17 pub fn main() {
  18     let a = Foo {bar: 4, baz: -3};
  19
  20     a == a;    // check for PartialEq impl w/o testing its correctness
  21     a.clone(); // check for Clone impl w/o testing its correctness
  22     hash(&a);  // check for Hash impl w/o testing its correctness
  23 }