| 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/macro-expansion-empty-span-147408.rs:20:27 |
| | |
| LL | for _ in dbg!([1, 2]).into_iter() {} |
| | ^^^^^^^^^ |
| | |
| = warning: this changes meaning in Rust 2021 |
| = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html> |
| = note: requested on the command line with `-W array-into-iter` |
| help: use `.iter()` instead of `.into_iter()` to avoid ambiguity |
| | |
| LL - for _ in dbg!([1, 2]).into_iter() {} |
| LL + for _ in dbg!([1, 2]).iter() {} |
| | |
| help: or remove `.into_iter()` to iterate by value |
| | |
| LL - for _ in dbg!([1, 2]).into_iter() {} |
| LL + for _ in dbg!([1, 2]) {} |
| | |
| |
| 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/macro-expansion-empty-span-147408.rs:11:16 |
| | |
| LL | $e.into_iter() |
| | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` |
| ... |
| LL | for _ in mac!(into_iter [1, 2]) {} |
| | ---------------------- in this macro invocation |
| | |
| = warning: this changes meaning in Rust 2021 |
| = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html> |
| = note: this warning originates in the macro `mac` (in Nightly builds, run with -Z macro-backtrace for more info) |
| |
| warning: 2 warnings emitted |
| |
