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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/specialization/specialization-cross-crate.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/specialization/specialization-cross-crate.rs')
-rw-r--r-- | tests/ui/specialization/specialization-cross-crate.rs | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tests/ui/specialization/specialization-cross-crate.rs b/tests/ui/specialization/specialization-cross-crate.rs new file mode 100644 index 000000000..d9381d661 --- /dev/null +++ b/tests/ui/specialization/specialization-cross-crate.rs @@ -0,0 +1,50 @@ +// run-pass + +// aux-build:specialization_cross_crate.rs + +#![feature(specialization)] //~ WARN the feature `specialization` is incomplete + +extern crate specialization_cross_crate; + +use specialization_cross_crate::*; + +struct NotClone; + +#[derive(Clone)] +struct MarkedAndClone; +impl MyMarker for MarkedAndClone {} + +struct MyType<T>(#[allow(unused_tuple_struct_fields)] T); +impl<T> Foo for MyType<T> { + default fn foo(&self) -> &'static str { + "generic MyType" + } +} + +impl Foo for MyType<u8> { + fn foo(&self) -> &'static str { + "MyType<u8>" + } +} + +struct MyOtherType; +impl Foo for MyOtherType {} + +fn main() { + assert!(NotClone.foo() == "generic"); + assert!(0u8.foo() == "generic Clone"); + assert!(vec![NotClone].foo() == "generic"); + assert!(vec![0u8].foo() == "generic Vec"); + assert!(vec![0i32].foo() == "Vec<i32>"); + assert!(0i32.foo() == "i32"); + assert!(String::new().foo() == "String"); + assert!(((), 0).foo() == "generic pair"); + assert!(((), ()).foo() == "generic uniform pair"); + assert!((0u8, 0u32).foo() == "(u8, u32)"); + assert!((0u8, 0u8).foo() == "(u8, u8)"); + assert!(MarkedAndClone.foo() == "generic Clone + MyMarker"); + + assert!(MyType(()).foo() == "generic MyType"); + assert!(MyType(0u8).foo() == "MyType<u8>"); + assert!(MyOtherType.foo() == "generic"); +} |