LL | m2!(z"hey");
| ^ unknown prefix
|
+ = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
+ = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/reserving-syntax.html>
note: the lint level is defined here
--> $DIR/reserved-prefixes-migration.rs:5:9
|
LL | #![warn(rust_2021_prefixes_incompatible_syntax)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
- = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/reserving-syntax.html>
help: insert whitespace here to avoid this being parsed as a prefix in Rust 2021
|
LL | m2!(z "hey");