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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/deriving/deriving-meta.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/deriving/deriving-meta.rs b/src/test/ui/deriving/deriving-meta.rs new file mode 100644 index 000000000..f2ff4f535 --- /dev/null +++ b/src/test/ui/deriving/deriving-meta.rs @@ -0,0 +1,23 @@ +// run-pass +#![allow(unused_must_use)] +#![allow(unused_imports)] +// pretty-expanded FIXME #23616 +#![allow(deprecated)] + +use std::hash::{Hash, SipHasher}; + +#[derive(PartialEq, Clone, 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 +} |