rust/src/test/ui/macros/macro-or-patterns-back-compat.stderr

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error: the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
--> $DIR/macro-or-patterns-back-compat.rs:10:21
|
LL | macro_rules! foo { ($x:pat | $y:pat) => {} }
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| ^^^^^^ help: use pat_param to preserve semantics: `$x:pat_param`
|
note: the lint level is defined here
--> $DIR/macro-or-patterns-back-compat.rs:4:9
|
LL | #![deny(rust_2021_incompatible_or_patterns)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/or-patterns-macro-rules.html>
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error: the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
--> $DIR/macro-or-patterns-back-compat.rs:13:23
|
LL | macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} }
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| ^^^^^^ help: use pat_param to preserve semantics: `$x:pat_param`
|
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/or-patterns-macro-rules.html>
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error: the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
--> $DIR/macro-or-patterns-back-compat.rs:19:21
|
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LL | macro_rules! ogg { ($x:pat | $y:pat_param) => {} }
| ^^^^^^ help: use pat_param to preserve semantics: `$x:pat_param`
|
2021-06-24 09:45:19 -05:00
= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/or-patterns-macro-rules.html>
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error: the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
--> $DIR/macro-or-patterns-back-compat.rs:23:26
|
LL | ( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => {
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| ^^^^^^^^ help: use pat_param to preserve semantics: `$pat:pat_param`
|
2021-06-24 09:45:19 -05:00
= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/or-patterns-macro-rules.html>
error: aborting due to 4 previous errors