diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs index 46e1a3a4aa2..e75a3647718 100644 --- a/library/core/src/iter/traits/iterator.rs +++ b/library/core/src/iter/traits/iterator.rs @@ -81,8 +81,8 @@ fn _assert_is_object_safe(_: &dyn Iterator) {} ), on( _Self = "[]", - label = "borrow the array with `&` or call `.iter()` on it to iterate over it", - note = "arrays are not iterators, but slices like the following are: `&[1, 2, 3]`" + label = "arrays do not yet implement `IntoIterator`; try using `std::array::IntoIter::new(arr)`", + note = "see for more details" ), on( _Self = "{integral}", diff --git a/src/test/ui/iterators/array-of-ranges.stderr b/src/test/ui/iterators/array-of-ranges.stderr index 601983a6153..e76b6c5cdcf 100644 --- a/src/test/ui/iterators/array-of-ranges.stderr +++ b/src/test/ui/iterators/array-of-ranges.stderr @@ -13,10 +13,10 @@ error[E0277]: `[RangeInclusive<{integer}>; 1]` is not an iterator --> $DIR/array-of-ranges.rs:4:14 | LL | for _ in [0..=1] {} - | ^^^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it + | ^^^^^^^ arrays do not yet implement `IntoIterator`; try using `std::array::IntoIter::new(arr)` | = help: the trait `Iterator` is not implemented for `[RangeInclusive<{integer}>; 1]` - = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]` + = note: see for more details = note: required because of the requirements on the impl of `IntoIterator` for `[RangeInclusive<{integer}>; 1]` = note: required by `into_iter` @@ -24,10 +24,10 @@ error[E0277]: `[RangeFrom<{integer}>; 1]` is not an iterator --> $DIR/array-of-ranges.rs:6:14 | LL | for _ in [0..] {} - | ^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it + | ^^^^^ arrays do not yet implement `IntoIterator`; try using `std::array::IntoIter::new(arr)` | = help: the trait `Iterator` is not implemented for `[RangeFrom<{integer}>; 1]` - = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]` + = note: see for more details = note: required because of the requirements on the impl of `IntoIterator` for `[RangeFrom<{integer}>; 1]` = note: required by `into_iter` @@ -35,10 +35,10 @@ error[E0277]: `[RangeTo<{integer}>; 1]` is not an iterator --> $DIR/array-of-ranges.rs:8:14 | LL | for _ in [..1] {} - | ^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it + | ^^^^^ arrays do not yet implement `IntoIterator`; try using `std::array::IntoIter::new(arr)` | = help: the trait `Iterator` is not implemented for `[RangeTo<{integer}>; 1]` - = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]` + = note: see for more details = note: required because of the requirements on the impl of `IntoIterator` for `[RangeTo<{integer}>; 1]` = note: required by `into_iter` @@ -46,10 +46,10 @@ error[E0277]: `[RangeToInclusive<{integer}>; 1]` is not an iterator --> $DIR/array-of-ranges.rs:10:14 | LL | for _ in [..=1] {} - | ^^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it + | ^^^^^^ arrays do not yet implement `IntoIterator`; try using `std::array::IntoIter::new(arr)` | = help: the trait `Iterator` is not implemented for `[RangeToInclusive<{integer}>; 1]` - = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]` + = note: see for more details = note: required because of the requirements on the impl of `IntoIterator` for `[RangeToInclusive<{integer}>; 1]` = note: required by `into_iter` @@ -79,10 +79,10 @@ error[E0277]: `[std::ops::Range<{integer}>; 2]` is not an iterator --> $DIR/array-of-ranges.rs:19:14 | LL | for _ in [0..1, 2..3] {} - | ^^^^^^^^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it + | ^^^^^^^^^^^^ arrays do not yet implement `IntoIterator`; try using `std::array::IntoIter::new(arr)` | = help: the trait `Iterator` is not implemented for `[std::ops::Range<{integer}>; 2]` - = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]` + = note: see for more details = note: required because of the requirements on the impl of `IntoIterator` for `[std::ops::Range<{integer}>; 2]` = note: required by `into_iter` @@ -90,10 +90,10 @@ error[E0277]: `[RangeInclusive<{integer}>; 1]` is not an iterator --> $DIR/array-of-ranges.rs:21:14 | LL | for _ in [0..=1] {} - | ^^^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it + | ^^^^^^^ arrays do not yet implement `IntoIterator`; try using `std::array::IntoIter::new(arr)` | = help: the trait `Iterator` is not implemented for `[RangeInclusive<{integer}>; 1]` - = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]` + = note: see for more details = note: required because of the requirements on the impl of `IntoIterator` for `[RangeInclusive<{integer}>; 1]` = note: required by `into_iter` diff --git a/src/test/ui/iterators/array.stderr b/src/test/ui/iterators/array.stderr index 68c6de5493f..7e2b600fb7a 100644 --- a/src/test/ui/iterators/array.stderr +++ b/src/test/ui/iterators/array.stderr @@ -2,10 +2,10 @@ error[E0277]: `[{integer}; 2]` is not an iterator --> $DIR/array.rs:2:14 | LL | for _ in [1, 2] {} - | ^^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it + | ^^^^^^ arrays do not yet implement `IntoIterator`; try using `std::array::IntoIter::new(arr)` | = help: the trait `Iterator` is not implemented for `[{integer}; 2]` - = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]` + = note: see for more details = note: required because of the requirements on the impl of `IntoIterator` for `[{integer}; 2]` = note: required by `into_iter` @@ -13,10 +13,10 @@ error[E0277]: `[{integer}; 2]` is not an iterator --> $DIR/array.rs:5:14 | LL | for _ in x {} - | ^ borrow the array with `&` or call `.iter()` on it to iterate over it + | ^ arrays do not yet implement `IntoIterator`; try using `std::array::IntoIter::new(arr)` | = help: the trait `Iterator` is not implemented for `[{integer}; 2]` - = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]` + = note: see for more details = note: required because of the requirements on the impl of `IntoIterator` for `[{integer}; 2]` = note: required by `into_iter` @@ -24,10 +24,10 @@ error[E0277]: `[{float}; 2]` is not an iterator --> $DIR/array.rs:7:14 | LL | for _ in [1.0, 2.0] {} - | ^^^^^^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it + | ^^^^^^^^^^ arrays do not yet implement `IntoIterator`; try using `std::array::IntoIter::new(arr)` | = help: the trait `Iterator` is not implemented for `[{float}; 2]` - = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]` + = note: see for more details = note: required because of the requirements on the impl of `IntoIterator` for `[{float}; 2]` = note: required by `into_iter`