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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/issues/issue-2989.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 '')
-rw-r--r-- | src/test/ui/issues/issue-2989.rs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-2989.rs b/src/test/ui/issues/issue-2989.rs new file mode 100644 index 000000000..c0b673743 --- /dev/null +++ b/src/test/ui/issues/issue-2989.rs @@ -0,0 +1,36 @@ +// run-pass +#![allow(non_camel_case_types)] + +trait methods { + fn to_bytes(&self) -> Vec<u8> ; +} + +impl methods for () { + fn to_bytes(&self) -> Vec<u8> { + Vec::new() + } +} + +// the position of this function is significant! - if it comes before methods +// then it works, if it comes after it then it doesn't! +fn to_bools(bitv: Storage) -> Vec<bool> { + (0..8).map(|i| { + let w = i / 64; + let b = i % 64; + let x = 1 & (bitv.storage[w] >> b); + x == 1 + }).collect() +} + +struct Storage { storage: Vec<u64> } + +pub fn main() { + let bools = vec![false, false, true, false, false, true, true, false]; + let bools2 = to_bools(Storage{storage: vec![0b01100100]}); + + for i in 0..8 { + println!("{} => {} vs {}", i, bools[i], bools2[i]); + } + + assert_eq!(bools, bools2); +} |