From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/ui/iterators/into-iter-on-arrays-lint.rs | 63 +++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 src/test/ui/iterators/into-iter-on-arrays-lint.rs (limited to 'src/test/ui/iterators/into-iter-on-arrays-lint.rs') 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(); +} -- cgit v1.2.3