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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/tools/clippy/tests/ui/bytecount.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/tools/clippy/tests/ui/bytecount.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/bytecount.rs b/src/tools/clippy/tests/ui/bytecount.rs new file mode 100644 index 000000000..d3ad26921 --- /dev/null +++ b/src/tools/clippy/tests/ui/bytecount.rs @@ -0,0 +1,26 @@ +#![allow(clippy::needless_borrow)] + +#[deny(clippy::naive_bytecount)] +fn main() { + let x = vec![0_u8; 16]; + + let _ = x.iter().filter(|&&a| a == 0).count(); // naive byte count + + let _ = (&x[..]).iter().filter(|&a| *a == 0).count(); // naive byte count + + let _ = x.iter().filter(|a| **a > 0).count(); // not an equality count, OK. + + let _ = x.iter().map(|a| a + 1).filter(|&a| a < 15).count(); // not a slice + + let b = 0; + + let _ = x.iter().filter(|_| b > 0).count(); // woah there + + let _ = x.iter().filter(|_a| b == b + 1).count(); // nothing to see here, move along + + let _ = x.iter().filter(|a| b + 1 == **a).count(); // naive byte count + + let y = vec![0_u16; 3]; + + let _ = y.iter().filter(|&&a| a == 0).count(); // naive count, but not bytes +} |