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Add another test.

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This commit is contained in:
laurent 2017-11-29 20:52:49 +00:00
parent f8dbd32433
commit 3eb642bcdd
2 changed files with 32 additions and 6 deletions
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8
tests/ui/matches.rs
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@ -285,6 +285,14 @@ fn match_wild_err_arm() {
Err(_) => println!("err")
}
// this is a current false positive, see #1996
match x {
Ok(3) => println!("ok"),
Ok(x) if x*x == 64 => println!("ok 64"),
Ok(_) => println!("ok"),
Err(_) => println!("err")
}
match (x, Some(1i32)) {
(Ok(x), Some(_)) => println!("ok {}", x),
(Ok(_), Some(x)) => println!("ok {}", x),

30
tests/ui/matches.stderr
View File

@ -391,20 +391,38 @@ note: consider refactoring into `Ok(3) | Ok(_)`
= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
error: this `match` has identical arm bodies
--> $DIR/matches.rs:290:29
--> $DIR/matches.rs:292:18
|
290 | (Ok(_), Some(x)) => println!("ok {}", x),
292 | Ok(_) => println!("ok"),
| ^^^^^^^^^^^^^^
|
note: same as this
--> $DIR/matches.rs:290:18
|
290 | Ok(3) => println!("ok"),
| ^^^^^^^^^^^^^^
note: consider refactoring into `Ok(3) | Ok(_)`
--> $DIR/matches.rs:290:18
|
290 | Ok(3) => println!("ok"),
| ^^^^^^^^^^^^^^
= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
error: this `match` has identical arm bodies
--> $DIR/matches.rs:298:29
|
298 | (Ok(_), Some(x)) => println!("ok {}", x),
| ^^^^^^^^^^^^^^^^^^^^
|
note: same as this
--> $DIR/matches.rs:289:29
--> $DIR/matches.rs:297:29
|
289 | (Ok(x), Some(_)) => println!("ok {}", x),
297 | (Ok(x), Some(_)) => println!("ok {}", x),
| ^^^^^^^^^^^^^^^^^^^^
note: consider refactoring into `(Ok(x), Some(_)) | (Ok(_), Some(x))`
--> $DIR/matches.rs:289:29
--> $DIR/matches.rs:297:29
|
289 | (Ok(x), Some(_)) => println!("ok {}", x),
297 | (Ok(x), Some(_)) => println!("ok {}", x),
| ^^^^^^^^^^^^^^^^^^^^
= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)