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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 09:26:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 09:26:03 +0000 |
commit | 9918693037dce8aa4bb6f08741b6812923486c18 (patch) | |
tree | 21d2b40bec7e6a7ea664acee056eb3d08e15a1cf /tests/ui/traits/next-solver/unsize-good.rs | |
parent | Releasing progress-linux version 1.75.0+dfsg1-5~progress7.99u1. (diff) | |
download | rustc-9918693037dce8aa4bb6f08741b6812923486c18.tar.xz rustc-9918693037dce8aa4bb6f08741b6812923486c18.zip |
Merging upstream version 1.76.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/traits/next-solver/unsize-good.rs')
-rw-r--r-- | tests/ui/traits/next-solver/unsize-good.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/traits/next-solver/unsize-good.rs b/tests/ui/traits/next-solver/unsize-good.rs new file mode 100644 index 000000000..04ebe66f2 --- /dev/null +++ b/tests/ui/traits/next-solver/unsize-good.rs @@ -0,0 +1,25 @@ +// compile-flags: -Znext-solver +// check-pass + +#![feature(unsized_tuple_coercion)] + +trait Foo {} + +impl Foo for i32 {} + +fn main() { + // Unsizing via struct + let _: Box<dyn Foo> = Box::new(1i32); + + // Slice unsizing + let y = [1, 2, 3]; + let _: &[i32] = &y; + + // Tuple unsizing + let hi = (1i32,); + let _: &(dyn Foo,) = &hi; + + // Dropping auto traits + let a: &(dyn Foo + Send) = &1; + let _: &dyn Foo = a; +} |