rust/tests/ui/iterators/into-iter-on-arrays-2018.st...

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warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
--> $DIR/into-iter-on-arrays-2018.rs:14:34
|
LL | let _: Iter<'_, i32> = array.into_iter();
| ^^^^^^^^^
|
= warning: this changes meaning in Rust 2021
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
= note: `#[warn(array_into_iter)]` on by default
help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
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LL | let _: Iter<'_, i32> = array.iter();
| ~~~~
help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
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LL | let _: Iter<'_, i32> = IntoIterator::into_iter(array);
| ++++++++++++++++++++++++ ~
warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
--> $DIR/into-iter-on-arrays-2018.rs:18:44
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LL | let _: Iter<'_, i32> = Box::new(array).into_iter();
| ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
|
= warning: this changes meaning in Rust 2021
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
--> $DIR/into-iter-on-arrays-2018.rs:22:43
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LL | let _: Iter<'_, i32> = Rc::new(array).into_iter();
| ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
|
= warning: this changes meaning in Rust 2021
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
--> $DIR/into-iter-on-arrays-2018.rs:25:41
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LL | let _: Iter<'_, i32> = Array(array).into_iter();
| ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
|
= warning: this changes meaning in Rust 2021
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
--> $DIR/into-iter-on-arrays-2018.rs:32:24
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LL | for _ in [1, 2, 3].into_iter() {}
| ^^^^^^^^^
|
= warning: this changes meaning in Rust 2021
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
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LL | for _ in [1, 2, 3].iter() {}
| ~~~~
help: or remove `.into_iter()` to iterate by value
|
LL - for _ in [1, 2, 3].into_iter() {}
LL + for _ in [1, 2, 3] {}
|
warning: 5 warnings emitted