mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-27 23:20:39 +00:00
363 lines
11 KiB
Text
363 lines
11 KiB
Text
error: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
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--> $DIR/matches.rs:31:5
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31 | / match ExprNode::Butterflies {
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32 | | ExprNode::ExprAddrOf => Some(&NODE),
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33 | | _ => { let x = 5; None },
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34 | | }
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| |_____^ help: try this: `if let ExprNode::ExprAddrOf = ExprNode::Butterflies { Some(&NODE) } else { let x = 5; None }`
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= note: `-D clippy::single-match-else` implied by `-D warnings`
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error: you don't need to add `&` to all patterns
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--> $DIR/matches.rs:40:9
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40 | / match v {
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41 | | &Some(v) => println!("{:?}", v),
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42 | | &None => println!("none"),
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43 | | }
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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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40 | match *v {
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41 | Some(v) => println!("{:?}", v),
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42 | None => println!("none"),
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error: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
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--> $DIR/matches.rs:50:5
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50 | / match tup {
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51 | | &(v, 1) => println!("{}", v),
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52 | | _ => println!("none"),
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53 | | }
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| |_____^ help: try this: `if let &(v, 1) = tup { println!("{}", v) } else { println!("none") }`
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error: you don't need to add `&` to all patterns
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--> $DIR/matches.rs:50:5
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50 | / match tup {
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51 | | &(v, 1) => println!("{}", v),
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52 | | _ => println!("none"),
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53 | | }
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| |_____^
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help: instead of prefixing all patterns with `&`, you can dereference the expression
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50 | match *tup {
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51 | (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:56:5
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56 | / match &w {
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57 | | &Some(v) => println!("{:?}", v),
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58 | | &None => println!("none"),
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59 | | }
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| |_____^
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help: try
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56 | match w {
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57 | Some(v) => println!("{:?}", v),
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58 | None => println!("none"),
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error: you don't need to add `&` to all patterns
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--> $DIR/matches.rs:67:5
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67 | / if let &None = a {
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68 | | println!("none");
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69 | | }
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| |_____^
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help: instead of prefixing all patterns with `&`, you can dereference the expression
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67 | 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:72:5
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72 | / if let &None = &b {
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73 | | println!("none");
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74 | | }
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| |_____^
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help: try
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72 | if let None = b {
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| ^^^^ ^
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error: some ranges overlap
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--> $DIR/matches.rs:81:9
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81 | 0 ... 10 => println!("0 ... 10"),
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| ^^^^^^^^
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= note: `-D clippy::match-overlapping-arm` implied by `-D warnings`
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note: overlaps with this
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--> $DIR/matches.rs:82:9
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82 | 0 ... 11 => println!("0 ... 11"),
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| ^^^^^^^^
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error: some ranges overlap
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--> $DIR/matches.rs:87:9
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87 | 0 ... 5 => println!("0 ... 5"),
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| ^^^^^^^
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note: overlaps with this
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--> $DIR/matches.rs:89:9
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89 | FOO ... 11 => println!("0 ... 11"),
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| ^^^^^^^^^^
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error: some ranges overlap
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--> $DIR/matches.rs:95:9
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95 | 0 ... 5 => println!("0 ... 5"),
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| ^^^^^^^
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note: overlaps with this
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--> $DIR/matches.rs:94:9
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94 | 2 => println!("2"),
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| ^
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error: some ranges overlap
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--> $DIR/matches.rs:101:9
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101 | 0 ... 2 => println!("0 ... 2"),
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| ^^^^^^^
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note: overlaps with this
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--> $DIR/matches.rs:100:9
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100 | 2 => println!("2"),
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| ^
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error: some ranges overlap
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--> $DIR/matches.rs:124:9
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124 | 0 .. 11 => println!("0 .. 11"),
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| ^^^^^^^
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note: overlaps with this
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--> $DIR/matches.rs:125:9
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125 | 0 ... 11 => println!("0 ... 11"),
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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:142:9
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142 | 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:141:18
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141 | 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:140:18
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140 | 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:140:18
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140 | 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:148:9
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148 | 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:147:18
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147 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:146:18
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146 | 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:146:18
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146 | 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:154:9
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154 | 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:153:18
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153 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:152:18
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152 | 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:152:18
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152 | 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:160:18
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160 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:159:18
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159 | 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:159:18
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159 | 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:167:18
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167 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:166:18
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166 | 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:166:18
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166 | 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:173:18
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173 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:172:18
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172 | 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:172:18
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172 | 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:179:18
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179 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:178:18
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178 | 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:178:18
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178 | 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:200:29
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200 | (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:199:29
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199 | (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:199:29
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199 | (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:215:18
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215 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:214:18
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214 | 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:214:18
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214 | 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:222:33
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222 | let borrowed: Option<&()> = match owned {
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| _________________________________^
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223 | | None => None,
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224 | | Some(ref v) => Some(v),
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225 | | };
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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:228:39
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228 | let borrow_mut: Option<&mut ()> = match mut_owned {
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| _______________________________________^
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229 | | None => None,
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230 | | Some(ref mut v) => Some(v),
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231 | | };
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| |_____^ help: try this: `mut_owned.as_mut()`
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error: aborting due to 26 previous errors
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