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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 /vendor/pin-utils/tests/projection.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 'vendor/pin-utils/tests/projection.rs')
-rw-r--r-- | vendor/pin-utils/tests/projection.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/vendor/pin-utils/tests/projection.rs b/vendor/pin-utils/tests/projection.rs new file mode 100644 index 000000000..492c26d9a --- /dev/null +++ b/vendor/pin-utils/tests/projection.rs @@ -0,0 +1,27 @@ +use pin_utils::{unsafe_pinned, unsafe_unpinned, pin_mut}; +use std::pin::Pin; +use std::marker::Unpin; + +struct Foo<T1, T2> { + field1: T1, + field2: T2, +} + +impl<T1, T2> Foo<T1, T2> { + unsafe_pinned!(field1: T1); + unsafe_unpinned!(field2: T2); +} + +impl<T1: Unpin, T2> Unpin for Foo<T1, T2> {} // Conditional Unpin impl + +#[test] +fn projection() { + let foo = Foo { field1: 1, field2: 2 }; + pin_mut!(foo); + + let x1: Pin<&mut i32> = foo.as_mut().field1(); + assert_eq!(*x1, 1); + + let x2: &mut i32 = foo.as_mut().field2(); + assert_eq!(*x2, 2); +} |