rust-clippy/tests/ui/matches.stderr
2018-12-28 12:41:12 +01:00

282 lines
8.6 KiB
Text

error: you don't need to add `&` to all patterns
--> $DIR/matches.rs:20:9
|
LL | / match v {
LL | | &Some(v) => println!("{:?}", v),
LL | | &None => println!("none"),
LL | | }
| |_________^
|
= note: `-D clippy::match-ref-pats` implied by `-D warnings`
help: instead of prefixing all patterns with `&`, you can dereference the expression
|
LL | match *v {
LL | Some(v) => println!("{:?}", v),
LL | None => println!("none"),
|
error: you don't need to add `&` to all patterns
--> $DIR/matches.rs:31:5
|
LL | / match tup {
LL | | &(v, 1) => println!("{}", v),
LL | | _ => println!("none"),
LL | | }
| |_____^
help: instead of prefixing all patterns with `&`, you can dereference the expression
|
LL | match *tup {
LL | (v, 1) => println!("{}", v),
|
error: you don't need to add `&` to both the expression and the patterns
--> $DIR/matches.rs:37:5
|
LL | / match &w {
LL | | &Some(v) => println!("{:?}", v),
LL | | &None => println!("none"),
LL | | }
| |_____^
help: try
|
LL | match w {
LL | Some(v) => println!("{:?}", v),
LL | None => println!("none"),
|
error: you don't need to add `&` to all patterns
--> $DIR/matches.rs:48:5
|
LL | / if let &None = a {
LL | | println!("none");
LL | | }
| |_____^
help: instead of prefixing all patterns with `&`, you can dereference the expression
|
LL | if let None = *a {
| ^^^^ ^^
error: you don't need to add `&` to both the expression and the patterns
--> $DIR/matches.rs:53:5
|
LL | / if let &None = &b {
LL | | println!("none");
LL | | }
| |_____^
help: try
|
LL | if let None = b {
| ^^^^ ^
error: Err(_) will match all errors, maybe not a good idea
--> $DIR/matches.rs:64:9
|
LL | Err(_) => panic!("err"),
| ^^^^^^
|
= note: `-D clippy::match-wild-err-arm` implied by `-D warnings`
= note: to remove this warning, match each error separately or use unreachable macro
error: this `match` has identical arm bodies
--> $DIR/matches.rs:63:18
|
LL | Ok(_) => println!("ok"),
| ^^^^^^^^^^^^^^
|
= note: `-D clippy::match-same-arms` implied by `-D warnings`
note: same as this
--> $DIR/matches.rs:62:18
|
LL | Ok(3) => println!("ok"),
| ^^^^^^^^^^^^^^
note: consider refactoring into `Ok(3) | Ok(_)`
--> $DIR/matches.rs:62:18
|
LL | 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: Err(_) will match all errors, maybe not a good idea
--> $DIR/matches.rs:70:9
|
LL | Err(_) => panic!(),
| ^^^^^^
|
= note: to remove this warning, match each error separately or use unreachable macro
error: this `match` has identical arm bodies
--> $DIR/matches.rs:69:18
|
LL | Ok(_) => println!("ok"),
| ^^^^^^^^^^^^^^
|
note: same as this
--> $DIR/matches.rs:68:18
|
LL | Ok(3) => println!("ok"),
| ^^^^^^^^^^^^^^
note: consider refactoring into `Ok(3) | Ok(_)`
--> $DIR/matches.rs:68:18
|
LL | 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: Err(_) will match all errors, maybe not a good idea
--> $DIR/matches.rs:76:9
|
LL | Err(_) => {
| ^^^^^^
|
= note: to remove this warning, match each error separately or use unreachable macro
error: this `match` has identical arm bodies
--> $DIR/matches.rs:75:18
|
LL | Ok(_) => println!("ok"),
| ^^^^^^^^^^^^^^
|
note: same as this
--> $DIR/matches.rs:74:18
|
LL | Ok(3) => println!("ok"),
| ^^^^^^^^^^^^^^
note: consider refactoring into `Ok(3) | Ok(_)`
--> $DIR/matches.rs:74:18
|
LL | 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:84:18
|
LL | Ok(_) => println!("ok"),
| ^^^^^^^^^^^^^^
|
note: same as this
--> $DIR/matches.rs:83:18
|
LL | Ok(3) => println!("ok"),
| ^^^^^^^^^^^^^^
note: consider refactoring into `Ok(3) | Ok(_)`
--> $DIR/matches.rs:83:18
|
LL | 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:91:18
|
LL | Ok(_) => println!("ok"),
| ^^^^^^^^^^^^^^
|
note: same as this
--> $DIR/matches.rs:90:18
|
LL | Ok(3) => println!("ok"),
| ^^^^^^^^^^^^^^
note: consider refactoring into `Ok(3) | Ok(_)`
--> $DIR/matches.rs:90:18
|
LL | 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:97:18
|
LL | Ok(_) => println!("ok"),
| ^^^^^^^^^^^^^^
|
note: same as this
--> $DIR/matches.rs:96:18
|
LL | Ok(3) => println!("ok"),
| ^^^^^^^^^^^^^^
note: consider refactoring into `Ok(3) | Ok(_)`
--> $DIR/matches.rs:96:18
|
LL | 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:103:18
|
LL | Ok(_) => println!("ok"),
| ^^^^^^^^^^^^^^
|
note: same as this
--> $DIR/matches.rs:102:18
|
LL | Ok(3) => println!("ok"),
| ^^^^^^^^^^^^^^
note: consider refactoring into `Ok(3) | Ok(_)`
--> $DIR/matches.rs:102:18
|
LL | 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:126:29
|
LL | (Ok(_), Some(x)) => println!("ok {}", x),
| ^^^^^^^^^^^^^^^^^^^^
|
note: same as this
--> $DIR/matches.rs:125:29
|
LL | (Ok(x), Some(_)) => println!("ok {}", x),
| ^^^^^^^^^^^^^^^^^^^^
note: consider refactoring into `(Ok(x), Some(_)) | (Ok(_), Some(x))`
--> $DIR/matches.rs:125:29
|
LL | (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)
error: this `match` has identical arm bodies
--> $DIR/matches.rs:141:18
|
LL | Ok(_) => println!("ok"),
| ^^^^^^^^^^^^^^
|
note: same as this
--> $DIR/matches.rs:140:18
|
LL | Ok(3) => println!("ok"),
| ^^^^^^^^^^^^^^
note: consider refactoring into `Ok(3) | Ok(_)`
--> $DIR/matches.rs:140:18
|
LL | 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: use as_ref() instead
--> $DIR/matches.rs:150:33
|
LL | let borrowed: Option<&()> = match owned {
| _________________________________^
LL | | None => None,
LL | | Some(ref v) => Some(v),
LL | | };
| |_____^ help: try this: `owned.as_ref()`
|
= note: `-D clippy::match-as-ref` implied by `-D warnings`
error: use as_mut() instead
--> $DIR/matches.rs:156:39
|
LL | let borrow_mut: Option<&mut ()> = match mut_owned {
| _______________________________________^
LL | | None => None,
LL | | Some(ref mut v) => Some(v),
LL | | };
| |_____^ help: try this: `mut_owned.as_mut()`
error: aborting due to 19 previous errors