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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/newtype-polymorphic.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/newtype-polymorphic.rs')
-rw-r--r-- | src/test/ui/newtype-polymorphic.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/newtype-polymorphic.rs b/src/test/ui/newtype-polymorphic.rs new file mode 100644 index 000000000..a6a725211 --- /dev/null +++ b/src/test/ui/newtype-polymorphic.rs @@ -0,0 +1,27 @@ +// run-pass + +#![allow(non_camel_case_types)] + + +#[derive(Clone)] +struct myvec<X>(Vec<X> ); + +fn myvec_deref<X:Clone>(mv: myvec<X>) -> Vec<X> { + let myvec(v) = mv; + return v.clone(); +} + +fn myvec_elt<X>(mv: myvec<X>) -> X { + let myvec(v) = mv; + return v.into_iter().next().unwrap(); +} + +pub fn main() { + let mv = myvec(vec![1, 2, 3]); + let mv_clone = mv.clone(); + let mv_clone = myvec_deref(mv_clone); + assert_eq!(mv_clone[1], 2); + assert_eq!(myvec_elt(mv.clone()), 1); + let myvec(v) = mv; + assert_eq!(v[2], 3); +} |