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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/iterators/into-iter-on-arrays-lint.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 'src/test/ui/iterators/into-iter-on-arrays-lint.rs')
-rw-r--r-- | src/test/ui/iterators/into-iter-on-arrays-lint.rs | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/test/ui/iterators/into-iter-on-arrays-lint.rs b/src/test/ui/iterators/into-iter-on-arrays-lint.rs new file mode 100644 index 000000000..582d5cadd --- /dev/null +++ b/src/test/ui/iterators/into-iter-on-arrays-lint.rs @@ -0,0 +1,63 @@ +// run-pass +// run-rustfix +// rustfix-only-machine-applicable + +#[allow(unused_must_use)] +fn main() { + let small = [1, 2]; + let big = [0u8; 33]; + + // Expressions that should trigger the lint + small.into_iter(); + //~^ WARNING this method call resolves to `<&[T; N] as IntoIterator>::into_iter` + //~| WARNING this changes meaning + [1, 2].into_iter(); + //~^ WARNING this method call resolves to `<&[T; N] as IntoIterator>::into_iter` + //~| WARNING this changes meaning + big.into_iter(); + //~^ WARNING this method call resolves to `<&[T; N] as IntoIterator>::into_iter` + //~| WARNING this changes meaning + [0u8; 33].into_iter(); + //~^ WARNING this method call resolves to `<&[T; N] as IntoIterator>::into_iter` + //~| WARNING this changes meaning + + Box::new(small).into_iter(); + //~^ WARNING this method call resolves to `<&[T; N] as IntoIterator>::into_iter` + //~| WARNING this changes meaning + Box::new([1, 2]).into_iter(); + //~^ WARNING this method call resolves to `<&[T; N] as IntoIterator>::into_iter` + //~| WARNING this changes meaning + Box::new(big).into_iter(); + //~^ WARNING this method call resolves to `<&[T; N] as IntoIterator>::into_iter` + //~| WARNING this changes meaning + Box::new([0u8; 33]).into_iter(); + //~^ WARNING this method call resolves to `<&[T; N] as IntoIterator>::into_iter` + //~| WARNING this changes meaning + + Box::new(Box::new(small)).into_iter(); + //~^ WARNING this method call resolves to `<&[T; N] as IntoIterator>::into_iter` + //~| WARNING this changes meaning + Box::new(Box::new([1, 2])).into_iter(); + //~^ WARNING this method call resolves to `<&[T; N] as IntoIterator>::into_iter` + //~| WARNING this changes meaning + Box::new(Box::new(big)).into_iter(); + //~^ WARNING this method call resolves to `<&[T; N] as IntoIterator>::into_iter` + //~| WARNING this changes meaning + Box::new(Box::new([0u8; 33])).into_iter(); + //~^ WARNING this method call resolves to `<&[T; N] as IntoIterator>::into_iter` + //~| WARNING this changes meaning + + // Expressions that should not + (&[1, 2]).into_iter(); + (&small).into_iter(); + (&[0u8; 33]).into_iter(); + (&big).into_iter(); + + for _ in &[1, 2] {} + (&small as &[_]).into_iter(); + small[..].into_iter(); + std::iter::IntoIterator::into_iter(&[1, 2]); + + #[allow(array_into_iter)] + [0, 1].into_iter(); +} |