mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-27 23:20:39 +00:00
282 lines
8.6 KiB
Text
282 lines
8.6 KiB
Text
error: you don't need to add `&` to all patterns
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--> $DIR/matches.rs:11:9
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LL | / match v {
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LL | | &Some(v) => println!("{:?}", v),
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LL | | &None => println!("none"),
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LL | | }
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| |_________^
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= note: `-D clippy::match-ref-pats` implied by `-D warnings`
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help: instead of prefixing all patterns with `&`, you can dereference the expression
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LL | match *v {
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LL | Some(v) => println!("{:?}", v),
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LL | None => println!("none"),
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error: you don't need to add `&` to all patterns
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--> $DIR/matches.rs:22:5
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LL | / match tup {
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LL | | &(v, 1) => println!("{}", v),
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LL | | _ => println!("none"),
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LL | | }
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| |_____^
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help: instead of prefixing all patterns with `&`, you can dereference the expression
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LL | match *tup {
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LL | (v, 1) => println!("{}", v),
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error: you don't need to add `&` to both the expression and the patterns
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--> $DIR/matches.rs:28:5
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LL | / match &w {
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LL | | &Some(v) => println!("{:?}", v),
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LL | | &None => println!("none"),
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LL | | }
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| |_____^
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help: try
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LL | match w {
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LL | Some(v) => println!("{:?}", v),
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LL | None => println!("none"),
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error: you don't need to add `&` to all patterns
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--> $DIR/matches.rs:39:5
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LL | / if let &None = a {
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LL | | println!("none");
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LL | | }
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| |_____^
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help: instead of prefixing all patterns with `&`, you can dereference the expression
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LL | if let None = *a {
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| ^^^^ ^^
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error: you don't need to add `&` to both the expression and the patterns
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--> $DIR/matches.rs:44:5
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LL | / if let &None = &b {
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LL | | println!("none");
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LL | | }
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| |_____^
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help: try
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LL | if let None = b {
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| ^^^^ ^
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error: Err(_) will match all errors, maybe not a good idea
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--> $DIR/matches.rs:55:9
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LL | Err(_) => panic!("err"),
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| ^^^^^^
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= note: `-D clippy::match-wild-err-arm` implied by `-D warnings`
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= note: to remove this warning, match each error separately or use unreachable macro
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error: this `match` has identical arm bodies
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--> $DIR/matches.rs:54:18
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LL | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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= note: `-D clippy::match-same-arms` implied by `-D warnings`
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note: same as this
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--> $DIR/matches.rs:53:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: consider refactoring into `Ok(3) | Ok(_)`
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--> $DIR/matches.rs:53:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: Err(_) will match all errors, maybe not a good idea
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--> $DIR/matches.rs:61:9
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LL | Err(_) => panic!(),
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| ^^^^^^
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= note: to remove this warning, match each error separately or use unreachable macro
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error: this `match` has identical arm bodies
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--> $DIR/matches.rs:60:18
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LL | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:59:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: consider refactoring into `Ok(3) | Ok(_)`
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--> $DIR/matches.rs:59:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: Err(_) will match all errors, maybe not a good idea
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--> $DIR/matches.rs:67:9
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LL | Err(_) => {
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| ^^^^^^
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= note: to remove this warning, match each error separately or use unreachable macro
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error: this `match` has identical arm bodies
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--> $DIR/matches.rs:66:18
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LL | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:65:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: consider refactoring into `Ok(3) | Ok(_)`
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--> $DIR/matches.rs:65:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: this `match` has identical arm bodies
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--> $DIR/matches.rs:75:18
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LL | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:74:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: consider refactoring into `Ok(3) | Ok(_)`
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--> $DIR/matches.rs:74:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: this `match` has identical arm bodies
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--> $DIR/matches.rs:82:18
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LL | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:81:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: consider refactoring into `Ok(3) | Ok(_)`
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--> $DIR/matches.rs:81:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: this `match` has identical arm bodies
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--> $DIR/matches.rs:88:18
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LL | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:87:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: consider refactoring into `Ok(3) | Ok(_)`
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--> $DIR/matches.rs:87:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: this `match` has identical arm bodies
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--> $DIR/matches.rs:94:18
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LL | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:93:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: consider refactoring into `Ok(3) | Ok(_)`
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--> $DIR/matches.rs:93:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: this `match` has identical arm bodies
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--> $DIR/matches.rs:117:29
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LL | (Ok(_), Some(x)) => println!("ok {}", x),
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| ^^^^^^^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:116:29
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LL | (Ok(x), Some(_)) => println!("ok {}", x),
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| ^^^^^^^^^^^^^^^^^^^^
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note: consider refactoring into `(Ok(x), Some(_)) | (Ok(_), Some(x))`
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--> $DIR/matches.rs:116:29
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LL | (Ok(x), Some(_)) => println!("ok {}", x),
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| ^^^^^^^^^^^^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: this `match` has identical arm bodies
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--> $DIR/matches.rs:132:18
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LL | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:131:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: consider refactoring into `Ok(3) | Ok(_)`
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--> $DIR/matches.rs:131:18
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LL | Ok(3) => println!("ok"),
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| ^^^^^^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: use as_ref() instead
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--> $DIR/matches.rs:141:33
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LL | let borrowed: Option<&()> = match owned {
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| _________________________________^
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LL | | None => None,
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LL | | Some(ref v) => Some(v),
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LL | | };
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| |_____^ help: try this: `owned.as_ref()`
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= note: `-D clippy::match-as-ref` implied by `-D warnings`
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error: use as_mut() instead
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--> $DIR/matches.rs:147:39
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LL | let borrow_mut: Option<&mut ()> = match mut_owned {
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| _______________________________________^
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LL | | None => None,
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LL | | Some(ref mut v) => Some(v),
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LL | | };
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| |_____^ help: try this: `mut_owned.as_mut()`
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error: aborting due to 19 previous errors
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