test: add more cases
This commit is contained in:
parent
0e9de930ac
commit
7b14eda522
5 changed files with 69 additions and 3 deletions
|
@ -0,0 +1,20 @@
|
||||||
|
// edition:2021
|
||||||
|
#![allow(unused_macros)]
|
||||||
|
macro_rules! foo { ($x:pat | $y:pat) => {} } //~ ERROR `$x:pat` is followed by `|`, which is not allowed for `pat` fragments
|
||||||
|
macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} } //~ ERROR `$x:pat` is followed by `|`, which is not allowed for `pat` fragments
|
||||||
|
macro_rules! qux { ($x:pat) => {} } // should be ok
|
||||||
|
macro_rules! match_any {
|
||||||
|
( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => { //~ ERROR `$pat:pat` may be followed by `|`, which is not allowed for `pat` fragments
|
||||||
|
match $expr {
|
||||||
|
$(
|
||||||
|
$( $pat => $expr_arm, )+
|
||||||
|
)+
|
||||||
|
}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let result: Result<i64, i32> = Err(42);
|
||||||
|
let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into());
|
||||||
|
assert_eq!(int, 42);
|
||||||
|
}
|
|
@ -0,0 +1,26 @@
|
||||||
|
error: `$x:pat` is followed by `|`, which is not allowed for `pat` fragments
|
||||||
|
--> $DIR/macro-pat-pattern-followed-by-or-in-2021.rs:3:28
|
||||||
|
|
|
||||||
|
LL | macro_rules! foo { ($x:pat | $y:pat) => {} }
|
||||||
|
| ^ not allowed after `pat` fragments
|
||||||
|
|
|
||||||
|
= note: allowed there are: `=>`, `,`, `=`, `if` or `in`
|
||||||
|
|
||||||
|
error: `$x:pat` is followed by `|`, which is not allowed for `pat` fragments
|
||||||
|
--> $DIR/macro-pat-pattern-followed-by-or-in-2021.rs:4:32
|
||||||
|
|
|
||||||
|
LL | macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} }
|
||||||
|
| ^ not allowed after `pat` fragments
|
||||||
|
|
|
||||||
|
= note: allowed there are: `=>`, `,`, `=`, `if` or `in`
|
||||||
|
|
||||||
|
error: `$pat:pat` may be followed by `|`, which is not allowed for `pat` fragments
|
||||||
|
--> $DIR/macro-pat-pattern-followed-by-or-in-2021.rs:7:36
|
||||||
|
|
|
||||||
|
LL | ( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => {
|
||||||
|
| ^ not allowed after `pat` fragments
|
||||||
|
|
|
||||||
|
= note: allowed there are: `=>`, `,`, `=`, `if` or `in`
|
||||||
|
|
||||||
|
error: aborting due to 3 previous errors
|
||||||
|
|
20
src/test/ui/macros/macro-pat-pattern-followed-by-or.rs
Normal file
20
src/test/ui/macros/macro-pat-pattern-followed-by-or.rs
Normal file
|
@ -0,0 +1,20 @@
|
||||||
|
// run-pass
|
||||||
|
#![allow(unused_macros)]
|
||||||
|
macro_rules! foo { ($x:pat | $y:pat) => {} } // should be ok
|
||||||
|
macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} } // should be ok
|
||||||
|
macro_rules! qux { ($x:pat) => {} } // should be ok
|
||||||
|
macro_rules! match_any {
|
||||||
|
( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => { // should be ok
|
||||||
|
match $expr {
|
||||||
|
$(
|
||||||
|
$( $pat => $expr_arm, )+
|
||||||
|
)+
|
||||||
|
}
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let result: Result<i64, i32> = Err(42);
|
||||||
|
let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into());
|
||||||
|
assert_eq!(int, 42);
|
||||||
|
}
|
|
@ -1,5 +1,5 @@
|
||||||
error: `$x:pat2021` is followed by `|`, which is not allowed for `pat2021` fragments
|
error: `$x:pat2021` is followed by `|`, which is not allowed for `pat2021` fragments
|
||||||
--> $DIR/macro-or-patterns-2021.rs:3:32
|
--> $DIR/macro-pat2021-pattern-followed-by-or.rs:3:32
|
||||||
|
|
|
|
||||||
LL | macro_rules! foo { ($x:pat2021 | $y:pat2021) => {} }
|
LL | macro_rules! foo { ($x:pat2021 | $y:pat2021) => {} }
|
||||||
| ^ not allowed after `pat2021` fragments
|
| ^ not allowed after `pat2021` fragments
|
||||||
|
@ -7,7 +7,7 @@ LL | macro_rules! foo { ($x:pat2021 | $y:pat2021) => {} }
|
||||||
= note: allowed there are: `=>`, `,`, `=`, `if` or `in`
|
= note: allowed there are: `=>`, `,`, `=`, `if` or `in`
|
||||||
|
|
||||||
error: `$x:pat2021` is followed by `|`, which is not allowed for `pat2021` fragments
|
error: `$x:pat2021` is followed by `|`, which is not allowed for `pat2021` fragments
|
||||||
--> $DIR/macro-or-patterns-2021.rs:6:32
|
--> $DIR/macro-pat2021-pattern-followed-by-or.rs:6:32
|
||||||
|
|
|
|
||||||
LL | macro_rules! ogg { ($x:pat2021 | $y:pat2015) => {} }
|
LL | macro_rules! ogg { ($x:pat2021 | $y:pat2015) => {} }
|
||||||
| ^ not allowed after `pat2021` fragments
|
| ^ not allowed after `pat2021` fragments
|
||||||
|
@ -15,7 +15,7 @@ LL | macro_rules! ogg { ($x:pat2021 | $y:pat2015) => {} }
|
||||||
= note: allowed there are: `=>`, `,`, `=`, `if` or `in`
|
= note: allowed there are: `=>`, `,`, `=`, `if` or `in`
|
||||||
|
|
||||||
error: `$pat:pat2021` may be followed by `|`, which is not allowed for `pat2021` fragments
|
error: `$pat:pat2021` may be followed by `|`, which is not allowed for `pat2021` fragments
|
||||||
--> $DIR/macro-or-patterns-2021.rs:8:40
|
--> $DIR/macro-pat2021-pattern-followed-by-or.rs:8:40
|
||||||
|
|
|
|
||||||
LL | ( $expr:expr , $( $( $pat:pat2021 )|+ => $expr_arm:pat2021 ),+ ) => {
|
LL | ( $expr:expr , $( $( $pat:pat2021 )|+ => $expr_arm:pat2021 ),+ ) => {
|
||||||
| ^ not allowed after `pat2021` fragments
|
| ^ not allowed after `pat2021` fragments
|
Loading…
Add table
Add a link
Reference in a new issue