mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-15 09:27:25 +00:00
465 lines
14 KiB
Text
465 lines
14 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:26:5
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26 | / match ExprNode::Butterflies {
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27 | | ExprNode::ExprAddrOf => Some(&NODE),
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28 | | _ => { let x = 5; None },
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29 | | }
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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 single-match-else` implied by `-D warnings`
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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:35:5
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35 | / match x {
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36 | | Some(y) => { println!("{:?}", y); }
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37 | | _ => ()
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38 | | };
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| |_____^ help: try this: `if let Some(y) = x { println!("{:?}", y); }`
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= note: `-D single-match` implied by `-D warnings`
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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:41:5
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41 | / match z {
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42 | | (2...3, 7...9) => dummy(),
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43 | | _ => {}
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44 | | };
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| |_____^ help: try this: `if let (2...3, 7...9) = z { dummy() }`
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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:63:5
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63 | / match x {
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64 | | Some(y) => dummy(),
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65 | | None => ()
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66 | | };
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| |_____^ help: try this: `if let Some(y) = x { dummy() }`
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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:68:5
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68 | / match y {
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69 | | Ok(y) => dummy(),
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70 | | Err(..) => ()
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71 | | };
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| |_____^ help: try this: `if let Ok(y) = y { dummy() }`
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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:75:5
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75 | / match c {
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76 | | Cow::Borrowed(..) => dummy(),
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77 | | Cow::Owned(..) => (),
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78 | | };
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| |_____^ help: try this: `if let Cow::Borrowed(..) = c { dummy() }`
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error: you seem to be trying to match on a boolean expression
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--> $DIR/matches.rs:96:5
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96 | / match test {
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97 | | true => 0,
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98 | | false => 42,
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99 | | };
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| |_____^ help: consider using an if/else expression: `if test { 0 } else { 42 }`
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= note: `-D match-bool` implied by `-D warnings`
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error: you seem to be trying to match on a boolean expression
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--> $DIR/matches.rs:102:5
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102 | / match option == 1 {
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103 | | true => 1,
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104 | | false => 0,
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105 | | };
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| |_____^ help: consider using an if/else expression: `if option == 1 { 1 } else { 0 }`
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error: you seem to be trying to match on a boolean expression
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--> $DIR/matches.rs:107:5
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107 | / match test {
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108 | | true => (),
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109 | | false => { println!("Noooo!"); }
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110 | | };
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| |_____^ help: consider using an if/else expression: `if !test { println!("Noooo!"); }`
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error: you seem to be trying to match on a boolean expression
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--> $DIR/matches.rs:112:5
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112 | / match test {
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113 | | false => { println!("Noooo!"); }
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114 | | _ => (),
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115 | | };
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| |_____^ help: consider using an if/else expression: `if !test { println!("Noooo!"); }`
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error: you seem to be trying to match on a boolean expression
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--> $DIR/matches.rs:117:5
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117 | / match test && test {
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118 | | false => { println!("Noooo!"); }
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119 | | _ => (),
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120 | | };
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| |_____^ help: consider using an if/else expression: `if !(test && test) { println!("Noooo!"); }`
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error: equal expressions as operands to `&&`
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--> $DIR/matches.rs:117:11
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117 | match test && test {
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| ^^^^^^^^^^^^
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= note: `-D eq-op` implied by `-D warnings`
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error: you seem to be trying to match on a boolean expression
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--> $DIR/matches.rs:122:5
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122 | / match test {
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123 | | false => { println!("Noooo!"); }
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124 | | true => { println!("Yes!"); }
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125 | | };
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| |_____^ help: consider using an if/else expression: `if test { println!("Yes!"); } else { println!("Noooo!"); }`
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error: you don't need to add `&` to all patterns
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--> $DIR/matches.rs:138:9
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138 | / match v {
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139 | | &Some(v) => println!("{:?}", v),
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140 | | &None => println!("none"),
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141 | | }
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| |_________^
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= note: `-D 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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138 | match *v {
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139 | Some(v) => println!("{:?}", v),
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140 | None => println!("none"),
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error: you don't need to add `&` to all patterns
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--> $DIR/matches.rs:148:5
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148 | / match tup {
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149 | | &(v, 1) => println!("{}", v),
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150 | | _ => println!("none"),
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151 | | }
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| |_____^
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help: instead of prefixing all patterns with `&`, you can dereference the expression
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148 | match *tup {
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149 | (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:154:5
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154 | / match &w {
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155 | | &Some(v) => println!("{:?}", v),
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156 | | &None => println!("none"),
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157 | | }
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| |_____^
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help: try
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154 | match w {
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155 | Some(v) => println!("{:?}", v),
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156 | None => println!("none"),
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error: you don't need to add `&` to all patterns
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--> $DIR/matches.rs:165:5
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165 | / if let &None = a {
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166 | | println!("none");
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167 | | }
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| |_____^
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help: instead of prefixing all patterns with `&`, you can dereference the expression
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165 | if let None = *a {
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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:170:5
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170 | / if let &None = &b {
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171 | | println!("none");
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172 | | }
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| |_____^
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help: try
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170 | if let None = b {
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error: some ranges overlap
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--> $DIR/matches.rs:179:9
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179 | 0 ... 10 => println!("0 ... 10"),
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| ^^^^^^^^
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= note: `-D match-overlapping-arm` implied by `-D warnings`
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note: overlaps with this
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--> $DIR/matches.rs:180:9
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180 | 0 ... 11 => println!("0 ... 11"),
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| ^^^^^^^^
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error: some ranges overlap
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--> $DIR/matches.rs:185:9
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185 | 0 ... 5 => println!("0 ... 5"),
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| ^^^^^^^
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note: overlaps with this
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--> $DIR/matches.rs:187:9
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187 | FOO ... 11 => println!("0 ... 11"),
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| ^^^^^^^^^^
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error: some ranges overlap
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--> $DIR/matches.rs:193:9
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193 | 0 ... 5 => println!("0 ... 5"),
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| ^^^^^^^
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note: overlaps with this
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--> $DIR/matches.rs:192:9
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192 | 2 => println!("2"),
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| ^
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error: some ranges overlap
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--> $DIR/matches.rs:199:9
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199 | 0 ... 2 => println!("0 ... 2"),
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| ^^^^^^^
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note: overlaps with this
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--> $DIR/matches.rs:198:9
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198 | 2 => println!("2"),
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| ^
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error: some ranges overlap
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--> $DIR/matches.rs:222:9
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222 | 0 .. 11 => println!("0 .. 11"),
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| ^^^^^^^
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note: overlaps with this
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--> $DIR/matches.rs:223:9
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223 | 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:240:9
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240 | Err(_) => panic!("err")
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| ^^^^^^
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= note: `-D match-wild-err-arm` implied by `-D warnings`
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= note: to remove this warning, match each error seperately or use unreachable macro
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error: this `match` has identical arm bodies
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--> $DIR/matches.rs:239:18
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239 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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= note: `-D match-same-arms` implied by `-D warnings`
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note: same as this
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--> $DIR/matches.rs:238:18
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238 | 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:238:18
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238 | 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:246:9
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246 | Err(_) => {panic!()}
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| ^^^^^^
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= note: to remove this warning, match each error seperately or use unreachable macro
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error: this `match` has identical arm bodies
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--> $DIR/matches.rs:245:18
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245 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:244:18
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244 | 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:244:18
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244 | 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:252:9
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252 | Err(_) => {panic!();}
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| ^^^^^^
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= note: to remove this warning, match each error seperately or use unreachable macro
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error: this `match` has identical arm bodies
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--> $DIR/matches.rs:251:18
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251 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:250:18
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250 | 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:250:18
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250 | 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:258:18
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258 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:257:18
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257 | 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:257:18
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257 | 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:265:18
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265 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:264:18
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264 | 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:264:18
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264 | 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:271:18
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271 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:270:18
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270 | 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:270:18
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270 | 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:277:18
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277 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:276:18
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276 | 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:276:18
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276 | 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:298:29
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298 | (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:297:29
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297 | (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:297:29
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297 | (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:313:18
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313 | Ok(_) => println!("ok"),
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| ^^^^^^^^^^^^^^
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note: same as this
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--> $DIR/matches.rs:312:18
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312 | 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:312:18
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312 | 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:320:33
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320 | let borrowed: Option<&()> = match owned {
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| _________________________________^
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321 | | None => None,
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322 | | Some(ref v) => Some(v),
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323 | | };
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| |_____^ help: try this: `owned.as_ref()`
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= note: `-D match-as-ref` implied by `-D warnings`
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error: use as_mut() instead
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--> $DIR/matches.rs:326:39
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326 | let borrow_mut: Option<&mut ()> = match mut_owned {
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| _______________________________________^
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327 | | None => None,
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328 | | Some(ref mut v) => Some(v),
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329 | | };
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| |_____^ help: try this: `mut_owned.as_mut()`
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error: aborting due to 37 previous errors
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