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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 /src/tools/clippy/tests/ui/size_of_ref.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 'src/tools/clippy/tests/ui/size_of_ref.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/size_of_ref.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/size_of_ref.rs b/src/tools/clippy/tests/ui/size_of_ref.rs new file mode 100644 index 000000000..1e83ab829 --- /dev/null +++ b/src/tools/clippy/tests/ui/size_of_ref.rs @@ -0,0 +1,27 @@ +#![allow(unused)] +#![warn(clippy::size_of_ref)] + +use std::mem::size_of_val; + +fn main() { + let x = 5; + let y = &x; + + size_of_val(&x); // no lint + size_of_val(y); // no lint + + size_of_val(&&x); + size_of_val(&y); +} + +struct S { + field: u32, + data: Vec<u8>, +} + +impl S { + /// Get size of object including `self`, in bytes. + pub fn size(&self) -> usize { + std::mem::size_of_val(&self) + (std::mem::size_of::<u8>() * self.data.capacity()) + } +} |