642 lines
19 KiB
Plaintext
642 lines
19 KiB
Plaintext
error: for loop over `option`, which is an `Option`. This is more readably written as an `if let` statement.
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--> $DIR/for_loop.rs:18:14
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18 | for x in option {
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| ^^^^^^
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= note: #[deny(for_loop_over_option)] implied by #[deny(clippy)]
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note: lint level defined here
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--> $DIR/for_loop.rs:10:8
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10 | #[deny(clippy)]
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| ^^^^^^
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= help: consider replacing `for x in option` with `if let Some(x) = option`
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error: for loop over `result`, which is a `Result`. This is more readably written as an `if let` statement.
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--> $DIR/for_loop.rs:26:14
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26 | for x in result {
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| ^^^^^^
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= note: #[deny(for_loop_over_result)] implied by #[deny(clippy)]
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note: lint level defined here
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--> $DIR/for_loop.rs:10:8
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10 | #[deny(clippy)]
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| ^^^^^^
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= help: consider replacing `for x in result` with `if let Ok(x) = result`
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error: for loop over `option.ok_or("x not found")`, which is a `Result`. This is more readably written as an `if let` statement.
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--> $DIR/for_loop.rs:32:14
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32 | for x in option.ok_or("x not found") {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: #[deny(for_loop_over_result)] implied by #[deny(clippy)]
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= help: consider replacing `for x in option.ok_or("x not found")` with `if let Ok(x) = option.ok_or("x not found")`
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error: you are iterating over `Iterator::next()` which is an Option; this will compile but is probably not what you want
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--> $DIR/for_loop.rs:40:5
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40 | for x in v.iter().next() {
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| _____^ starting here...
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41 | |
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42 | | println!("{}", x);
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43 | | }
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| |_____^ ...ending here
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= note: #[deny(iter_next_loop)] implied by #[deny(clippy)]
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note: lint level defined here
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--> $DIR/for_loop.rs:10:8
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10 | #[deny(clippy)]
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| ^^^^^^
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error: for loop over `v.iter().next().and(Some(0))`, which is an `Option`. This is more readably written as an `if let` statement.
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--> $DIR/for_loop.rs:47:14
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47 | for x in v.iter().next().and(Some(0)) {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: #[deny(for_loop_over_option)] implied by #[deny(clippy)]
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= help: consider replacing `for x in v.iter().next().and(Some(0))` with `if let Some(x) = v.iter().next().and(Some(0))`
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error: for loop over `v.iter().next().ok_or("x not found")`, which is a `Result`. This is more readably written as an `if let` statement.
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--> $DIR/for_loop.rs:53:14
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53 | for x in v.iter().next().ok_or("x not found") {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: #[deny(for_loop_over_result)] implied by #[deny(clippy)]
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= help: consider replacing `for x in v.iter().next().ok_or("x not found")` with `if let Ok(x) = v.iter().next().ok_or("x not found")`
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error: the loop variable `i` is only used to index `vec`.
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--> $DIR/for_loop.rs:99:5
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99 | for i in 0..vec.len() {
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| _____^ starting here...
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100 | |
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101 | |
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102 | |
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103 | |
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104 | | println!("{}", vec[i]);
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105 | | }
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| |_____^ ...ending here
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note: lint level defined here
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--> $DIR/for_loop.rs:90:8
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90 | #[deny(needless_range_loop, explicit_iter_loop, explicit_into_iter_loop, iter_next_loop, reverse_range_loop, explicit_counter_loop, for_kv_map)]
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| ^^^^^^^^^^^^^^^^^^^
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help: consider using an iterator
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| for <item> in &vec {
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warning: unused variable: `i`
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--> $DIR/for_loop.rs:107:9
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107 | for i in 0..vec.len() {
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| ^
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= note: #[warn(unused_variables)] on by default
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error: the loop variable `i` is only used to index `vec`.
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--> $DIR/for_loop.rs:113:5
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113 | for i in 0..vec.len() { let _ = vec[i]; }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: consider using an iterator
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| for <item> in &vec { let _ = vec[i]; }
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error: the loop variable `j` is only used to index `STATIC`.
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--> $DIR/for_loop.rs:120:5
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120 | for j in 0..4 {
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| _____^ starting here...
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121 | |
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122 | |
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123 | |
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124 | |
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125 | | println!("{:?}", STATIC[j]);
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126 | | }
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| |_____^ ...ending here
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help: consider using an iterator
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| for <item> in STATIC.iter().take(4) {
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error: the loop variable `j` is only used to index `CONST`.
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--> $DIR/for_loop.rs:128:5
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128 | for j in 0..4 {
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| _____^ starting here...
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129 | |
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130 | |
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131 | |
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132 | |
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133 | | println!("{:?}", CONST[j]);
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134 | | }
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| |_____^ ...ending here
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help: consider using an iterator
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| for <item> in CONST.iter().take(4) {
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error: the loop variable `i` is used to index `vec`
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--> $DIR/for_loop.rs:136:5
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136 | for i in 0..vec.len() {
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| _____^ starting here...
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137 | |
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138 | |
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139 | |
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140 | |
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141 | | println!("{} {}", vec[i], i);
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142 | | }
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| |_____^ ...ending here
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help: consider using an iterator
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| for (i, <item>) in vec.iter().enumerate() {
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error: the loop variable `i` is only used to index `vec2`.
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--> $DIR/for_loop.rs:147:5
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147 | for i in 0..vec.len() {
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| _____^ starting here...
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148 | |
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149 | |
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150 | |
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151 | |
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152 | | println!("{}", vec2[i]);
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153 | | }
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| |_____^ ...ending here
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help: consider using an iterator
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| for <item> in vec2.iter().take(vec.len()) {
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error: the loop variable `i` is only used to index `vec`.
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--> $DIR/for_loop.rs:155:5
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155 | for i in 5..vec.len() {
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| _____^ starting here...
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156 | |
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157 | |
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158 | |
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159 | |
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160 | | println!("{}", vec[i]);
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161 | | }
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| |_____^ ...ending here
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help: consider using an iterator
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| for <item> in vec.iter().skip(5) {
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error: the loop variable `i` is only used to index `vec`.
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--> $DIR/for_loop.rs:163:5
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163 | for i in 0..MAX_LEN {
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| _____^ starting here...
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164 | |
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165 | |
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166 | |
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167 | |
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168 | | println!("{}", vec[i]);
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169 | | }
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| |_____^ ...ending here
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help: consider using an iterator
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| for <item> in vec.iter().take(MAX_LEN) {
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error: the loop variable `i` is only used to index `vec`.
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--> $DIR/for_loop.rs:171:5
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171 | for i in 0...MAX_LEN {
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| _____^ starting here...
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172 | |
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173 | |
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174 | |
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175 | |
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176 | | println!("{}", vec[i]);
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177 | | }
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| |_____^ ...ending here
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help: consider using an iterator
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| for <item> in vec.iter().take(MAX_LEN + 1) {
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error: the loop variable `i` is only used to index `vec`.
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--> $DIR/for_loop.rs:179:5
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179 | for i in 5..10 {
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| _____^ starting here...
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180 | |
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181 | |
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182 | |
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183 | |
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184 | | println!("{}", vec[i]);
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185 | | }
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| |_____^ ...ending here
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help: consider using an iterator
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| for <item> in vec.iter().take(10).skip(5) {
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error: the loop variable `i` is only used to index `vec`.
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--> $DIR/for_loop.rs:187:5
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187 | for i in 5...10 {
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| _____^ starting here...
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188 | |
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189 | |
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190 | |
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191 | |
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192 | | println!("{}", vec[i]);
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193 | | }
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| |_____^ ...ending here
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help: consider using an iterator
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| for <item> in vec.iter().take(10 + 1).skip(5) {
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error: the loop variable `i` is used to index `vec`
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--> $DIR/for_loop.rs:195:5
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195 | for i in 5..vec.len() {
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| _____^ starting here...
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196 | |
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197 | |
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198 | |
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199 | |
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200 | | println!("{} {}", vec[i], i);
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201 | | }
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| |_____^ ...ending here
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help: consider using an iterator
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| for (i, <item>) in vec.iter().enumerate().skip(5) {
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error: the loop variable `i` is used to index `vec`
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--> $DIR/for_loop.rs:203:5
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203 | for i in 5..10 {
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| _____^ starting here...
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204 | |
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205 | |
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206 | |
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207 | |
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208 | | println!("{} {}", vec[i], i);
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209 | | }
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| |_____^ ...ending here
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help: consider using an iterator
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| for (i, <item>) in vec.iter().enumerate().take(10).skip(5) {
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error: this range is empty so this for loop will never run
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--> $DIR/for_loop.rs:211:5
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211 | for i in 10..0 {
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| _____^ starting here...
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212 | |
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213 | |
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214 | |
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215 | | println!("{}", i);
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216 | | }
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| |_____^ ...ending here
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note: lint level defined here
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--> $DIR/for_loop.rs:90:90
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90 | #[deny(needless_range_loop, explicit_iter_loop, explicit_into_iter_loop, iter_next_loop, reverse_range_loop, explicit_counter_loop, for_kv_map)]
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| ^^^^^^^^^^^^^^^^^^
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help: consider using the following if you are attempting to iterate over this range in reverse
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| for i in (0..10).rev() {
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error: this range is empty so this for loop will never run
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--> $DIR/for_loop.rs:218:5
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218 | for i in 10...0 {
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| _____^ starting here...
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219 | |
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220 | |
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221 | |
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222 | | println!("{}", i);
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223 | | }
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| |_____^ ...ending here
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help: consider using the following if you are attempting to iterate over this range in reverse
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| for i in (0...10).rev() {
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error: this range is empty so this for loop will never run
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--> $DIR/for_loop.rs:225:5
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225 | for i in MAX_LEN..0 {
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| _____^ starting here...
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226 | |
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227 | |
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228 | | println!("{}", i);
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229 | | }
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| |_____^ ...ending here
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help: consider using the following if you are attempting to iterate over this range in reverse
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| for i in (0..MAX_LEN).rev() {
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error: this range is empty so this for loop will never run
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--> $DIR/for_loop.rs:231:5
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231 | for i in 5..5 {
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| _____^ starting here...
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232 | | println!("{}", i);
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233 | | }
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| |_____^ ...ending here
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error: this range is empty so this for loop will never run
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--> $DIR/for_loop.rs:252:5
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252 | for i in 10..5+4 {
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| _____^ starting here...
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253 | |
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254 | |
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255 | |
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256 | | println!("{}", i);
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257 | | }
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| |_____^ ...ending here
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help: consider using the following if you are attempting to iterate over this range in reverse
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| for i in (5+4..10).rev() {
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error: this range is empty so this for loop will never run
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--> $DIR/for_loop.rs:259:5
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259 | for i in (5+2)..(3-1) {
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| _____^ starting here...
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260 | |
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261 | |
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262 | |
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263 | | println!("{}", i);
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264 | | }
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| |_____^ ...ending here
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help: consider using the following if you are attempting to iterate over this range in reverse
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| for i in ((3-1)..(5+2)).rev() {
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error: this range is empty so this for loop will never run
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--> $DIR/for_loop.rs:266:5
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266 | for i in (5+2)..(8-1) {
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| _____^ starting here...
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267 | | println!("{}", i);
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268 | | }
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| |_____^ ...ending here
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error: it is more idiomatic to loop over references to containers instead of using explicit iteration methods
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--> $DIR/for_loop.rs:289:15
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289 | for _v in vec.iter() { }
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| ^^^^^^^^^^
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note: lint level defined here
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--> $DIR/for_loop.rs:90:29
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90 | #[deny(needless_range_loop, explicit_iter_loop, explicit_into_iter_loop, iter_next_loop, reverse_range_loop, explicit_counter_loop, for_kv_map)]
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| ^^^^^^^^^^^^^^^^^^
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help: to write this more concisely, try
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| for _v in &vec { }
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error: it is more idiomatic to loop over references to containers instead of using explicit iteration methods
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--> $DIR/for_loop.rs:294:15
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294 | for _v in vec.iter_mut() { }
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| ^^^^^^^^^^^^^^
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help: to write this more concisely, try
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| for _v in &mut vec { }
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error: it is more idiomatic to loop over containers instead of using explicit iteration methods`
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--> $DIR/for_loop.rs:300:15
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300 | for _v in out_vec.into_iter() { }
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| ^^^^^^^^^^^^^^^^^^^
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note: lint level defined here
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--> $DIR/for_loop.rs:90:49
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90 | #[deny(needless_range_loop, explicit_iter_loop, explicit_into_iter_loop, iter_next_loop, reverse_range_loop, explicit_counter_loop, for_kv_map)]
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| ^^^^^^^^^^^^^^^^^^^^^^^
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help: to write this more concisely, try
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| for _v in out_vec { }
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error: it is more idiomatic to loop over references to containers instead of using explicit iteration methods
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--> $DIR/for_loop.rs:306:15
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306 | for _v in array.into_iter() {}
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| ^^^^^^^^^^^^^^^^^
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help: to write this more concisely, try
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| for _v in &array {}
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error: it is more idiomatic to loop over references to containers instead of using explicit iteration methods
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--> $DIR/for_loop.rs:311:15
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311 | for _v in [1, 2, 3].iter() { }
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| ^^^^^^^^^^^^^^^^
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help: to write this more concisely, try
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| for _v in &[1, 2, 3] { }
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error: it is more idiomatic to loop over references to containers instead of using explicit iteration methods
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--> $DIR/for_loop.rs:318:15
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318 | for _v in [0; 32].iter() {}
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| ^^^^^^^^^^^^^^
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help: to write this more concisely, try
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| for _v in &[0; 32] {}
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error: it is more idiomatic to loop over references to containers instead of using explicit iteration methods
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--> $DIR/for_loop.rs:326:15
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326 | for _v in ll.iter() { }
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| ^^^^^^^^^
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help: to write this more concisely, try
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| for _v in &ll { }
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error: it is more idiomatic to loop over references to containers instead of using explicit iteration methods
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--> $DIR/for_loop.rs:332:15
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332 | for _v in vd.iter() { }
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| ^^^^^^^^^
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help: to write this more concisely, try
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| for _v in &vd { }
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error: it is more idiomatic to loop over references to containers instead of using explicit iteration methods
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--> $DIR/for_loop.rs:338:15
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338 | for _v in bh.iter() { }
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| ^^^^^^^^^
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help: to write this more concisely, try
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| for _v in &bh { }
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error: it is more idiomatic to loop over references to containers instead of using explicit iteration methods
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--> $DIR/for_loop.rs:344:15
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344 | for _v in hm.iter() { }
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| ^^^^^^^^^
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help: to write this more concisely, try
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| for _v in &hm { }
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error: it is more idiomatic to loop over references to containers instead of using explicit iteration methods
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--> $DIR/for_loop.rs:350:15
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350 | for _v in bt.iter() { }
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| ^^^^^^^^^
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help: to write this more concisely, try
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| for _v in &bt { }
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error: it is more idiomatic to loop over references to containers instead of using explicit iteration methods
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--> $DIR/for_loop.rs:356:15
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356 | for _v in hs.iter() { }
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| ^^^^^^^^^
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help: to write this more concisely, try
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| for _v in &hs { }
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error: it is more idiomatic to loop over references to containers instead of using explicit iteration methods
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--> $DIR/for_loop.rs:362:15
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362 | for _v in bs.iter() { }
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| ^^^^^^^^^
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help: to write this more concisely, try
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| for _v in &bs { }
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error: you are iterating over `Iterator::next()` which is an Option; this will compile but is probably not what you want
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--> $DIR/for_loop.rs:368:5
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368 | for _v in vec.iter().next() { }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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note: lint level defined here
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--> $DIR/for_loop.rs:90:74
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90 | #[deny(needless_range_loop, explicit_iter_loop, explicit_into_iter_loop, iter_next_loop, reverse_range_loop, explicit_counter_loop, for_kv_map)]
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| ^^^^^^^^^^^^^^
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error: you are collect()ing an iterator and throwing away the result. Consider using an explicit for loop to exhaust the iterator
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--> $DIR/for_loop.rs:375:5
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375 | vec.iter().map(|x| out.push(x)).collect::<Vec<_>>();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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note: lint level defined here
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--> $DIR/for_loop.rs:91:8
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91 | #[deny(unused_collect)]
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| ^^^^^^^^^^^^^^
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error: the variable `_index` is used as a loop counter. Consider using `for (_index, item) in &vec.enumerate()` or similar iterators
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--> $DIR/for_loop.rs:380:5
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380 | for _v in &vec { _index += 1 }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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note: lint level defined here
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--> $DIR/for_loop.rs:90:110
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90 | #[deny(needless_range_loop, explicit_iter_loop, explicit_into_iter_loop, iter_next_loop, reverse_range_loop, explicit_counter_loop, for_kv_map)]
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| ^^^^^^^^^^^^^^^^^^^^^
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error: the variable `_index` is used as a loop counter. Consider using `for (_index, item) in &vec.enumerate()` or similar iterators
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--> $DIR/for_loop.rs:384:5
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384 | for _v in &vec { _index += 1 }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: you seem to want to iterate on a map's values
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--> $DIR/for_loop.rs:444:5
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444 | for (_, v) in &m {
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| _____^ starting here...
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445 | |
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446 | |
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447 | |
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448 | |
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449 | | let _v = v;
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450 | | }
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| |_____^ ...ending here
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note: lint level defined here
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--> $DIR/for_loop.rs:90:133
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90 | #[deny(needless_range_loop, explicit_iter_loop, explicit_into_iter_loop, iter_next_loop, reverse_range_loop, explicit_counter_loop, for_kv_map)]
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| ^^^^^^^^^^
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help: use the corresponding method
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| for v in m.values() {
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error: you seem to want to iterate on a map's values
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--> $DIR/for_loop.rs:453:5
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453 | for (_, v) in &*m {
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| _____^ starting here...
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454 | |
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455 | |
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456 | |
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457 | |
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458 | | let _v = v;
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459 | | // Here the `*` is not actually necesarry, but the test tests that we don't suggest
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460 | | // `in *m.values()` as we used to
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461 | | }
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| |_____^ ...ending here
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help: use the corresponding method
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| for v in (*m).values() {
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error: you seem to want to iterate on a map's values
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--> $DIR/for_loop.rs:464:5
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464 | for (_, v) in &mut m {
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| _____^ starting here...
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465 | |
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466 | |
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467 | |
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468 | |
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469 | | let _v = v;
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470 | | }
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| |_____^ ...ending here
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help: use the corresponding method
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| for v in m.values_mut() {
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error: you seem to want to iterate on a map's values
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--> $DIR/for_loop.rs:473:5
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473 | for (_, v) in &mut *m {
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| _____^ starting here...
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474 | |
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475 | |
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476 | |
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477 | |
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478 | | let _v = v;
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479 | | }
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| |_____^ ...ending here
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help: use the corresponding method
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| for v in (*m).values_mut() {
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error: you seem to want to iterate on a map's keys
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--> $DIR/for_loop.rs:483:5
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483 | for (k, _value) in rm {
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| _____^ starting here...
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484 | |
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485 | |
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486 | |
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487 | |
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488 | | let _k = k;
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489 | | }
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| |_____^ ...ending here
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help: use the corresponding method
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| for k in rm.keys() {
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error: aborting due to 48 previous errors
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