src/tools/clippy/tests/ui/manual_split_once.stderr

   1 error: manual implementation of `split_once`
   2   --> $DIR/manual_split_once.rs:14:13
   3    |
   4 LL |     let _ = "key=value".splitn(2, '=').nth(1).unwrap();
   5    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `"key=value".split_once('=').unwrap().1`
   6    |
   7    = note: `-D clippy::manual-split-once` implied by `-D warnings`
   8
   9 error: manual implementation of `split_once`
  10   --> $DIR/manual_split_once.rs:15:13
  11    |
  12 LL |     let _ = "key=value".splitn(2, '=').skip(1).next().unwrap();
  13    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `"key=value".split_once('=').unwrap().1`
  14
  15 error: manual implementation of `split_once`
  16   --> $DIR/manual_split_once.rs:16:18
  17    |
  18 LL |     let (_, _) = "key=value".splitn(2, '=').next_tuple().unwrap();
  19    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `"key=value".split_once('=')`
  20
  21 error: manual implementation of `split_once`
  22   --> $DIR/manual_split_once.rs:19:13
  23    |
  24 LL |     let _ = s.splitn(2, '=').nth(1).unwrap();
  25    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.split_once('=').unwrap().1`
  26
  27 error: manual implementation of `split_once`
  28   --> $DIR/manual_split_once.rs:22:13
  29    |
  30 LL |     let _ = s.splitn(2, '=').nth(1).unwrap();
  31    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.split_once('=').unwrap().1`
  32
  33 error: manual implementation of `split_once`
  34   --> $DIR/manual_split_once.rs:25:13
  35    |
  36 LL |     let _ = s.splitn(2, '=').skip(1).next().unwrap();
  37    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.split_once('=').unwrap().1`
  38
  39 error: manual implementation of `split_once`
  40   --> $DIR/manual_split_once.rs:28:17
  41    |
  42 LL |         let _ = s.splitn(2, '=').nth(1)?;
  43    |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.split_once('=')?.1`
  44
  45 error: manual implementation of `split_once`
  46   --> $DIR/manual_split_once.rs:29:17
  47    |
  48 LL |         let _ = s.splitn(2, '=').skip(1).next()?;
  49    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.split_once('=')?.1`
  50
  51 error: manual implementation of `rsplit_once`
  52   --> $DIR/manual_split_once.rs:30:17
  53    |
  54 LL |         let _ = s.rsplitn(2, '=').nth(1)?;
  55    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.rsplit_once('=')?.0`
  56
  57 error: manual implementation of `rsplit_once`
  58   --> $DIR/manual_split_once.rs:31:17
  59    |
  60 LL |         let _ = s.rsplitn(2, '=').skip(1).next()?;
  61    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.rsplit_once('=')?.0`
  62
  63 error: manual implementation of `rsplit_once`
  64   --> $DIR/manual_split_once.rs:39:13
  65    |
  66 LL |     let _ = "key=value".rsplitn(2, '=').nth(1).unwrap();
  67    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `"key=value".rsplit_once('=').unwrap().0`
  68
  69 error: manual implementation of `rsplit_once`
  70   --> $DIR/manual_split_once.rs:40:18
  71    |
  72 LL |     let (_, _) = "key=value".rsplitn(2, '=').next_tuple().unwrap();
  73    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `"key=value".rsplit_once('=').map(|(x, y)| (y, x))`
  74
  75 error: manual implementation of `rsplit_once`
  76   --> $DIR/manual_split_once.rs:41:13
  77    |
  78 LL |     let _ = s.rsplitn(2, '=').nth(1);
  79    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.rsplit_once('=').map(|x| x.0)`
  80
  81 error: manual implementation of `split_once`
  82   --> $DIR/manual_split_once.rs:45:5
  83    |
  84 LL |     let mut iter = "a.b.c".splitn(2, '.');
  85    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  86 LL |     let l = iter.next().unwrap();
  87    |     ----------------------------- first usage here
  88 LL |     let r = iter.next().unwrap();
  89    |     ----------------------------- second usage here
  90    |
  91 help: try `split_once`
  92    |
  93 LL |     let (l, r) = "a.b.c".split_once('.').unwrap();
  94    |
  95 help: remove the `iter` usages
  96    |
  97 LL -     let l = iter.next().unwrap();
  98 LL +
  99    |
 100 help: remove the `iter` usages
 101    |
 102 LL -     let r = iter.next().unwrap();
 103 LL +
 104    |
 105
 106 error: manual implementation of `split_once`
 107   --> $DIR/manual_split_once.rs:49:5
 108    |
 109 LL |     let mut iter = "a.b.c".splitn(2, '.');
 110    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 111 LL |     let l = iter.next()?;
 112    |     --------------------- first usage here
 113 LL |     let r = iter.next()?;
 114    |     --------------------- second usage here
 115    |
 116 help: try `split_once`
 117    |
 118 LL |     let (l, r) = "a.b.c".split_once('.')?;
 119    |
 120 help: remove the `iter` usages
 121    |
 122 LL -     let l = iter.next()?;
 123 LL +
 124    |
 125 help: remove the `iter` usages
 126    |
 127 LL -     let r = iter.next()?;
 128 LL +
 129    |
 130
 131 error: manual implementation of `rsplit_once`
 132   --> $DIR/manual_split_once.rs:53:5
 133    |
 134 LL |     let mut iter = "a.b.c".rsplitn(2, '.');
 135    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 136 LL |     let r = iter.next().unwrap();
 137    |     ----------------------------- first usage here
 138 LL |     let l = iter.next().unwrap();
 139    |     ----------------------------- second usage here
 140    |
 141 help: try `rsplit_once`
 142    |
 143 LL |     let (l, r) = "a.b.c".rsplit_once('.').unwrap();
 144    |
 145 help: remove the `iter` usages
 146    |
 147 LL -     let r = iter.next().unwrap();
 148 LL +
 149    |
 150 help: remove the `iter` usages
 151    |
 152 LL -     let l = iter.next().unwrap();
 153 LL +
 154    |
 155
 156 error: manual implementation of `rsplit_once`
 157   --> $DIR/manual_split_once.rs:57:5
 158    |
 159 LL |     let mut iter = "a.b.c".rsplitn(2, '.');
 160    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 161 LL |     let r = iter.next()?;
 162    |     --------------------- first usage here
 163 LL |     let l = iter.next()?;
 164    |     --------------------- second usage here
 165    |
 166 help: try `rsplit_once`
 167    |
 168 LL |     let (l, r) = "a.b.c".rsplit_once('.')?;
 169    |
 170 help: remove the `iter` usages
 171    |
 172 LL -     let r = iter.next()?;
 173 LL +
 174    |
 175 help: remove the `iter` usages
 176    |
 177 LL -     let l = iter.next()?;
 178 LL +
 179    |
 180
 181 error: manual implementation of `split_once`
 182   --> $DIR/manual_split_once.rs:142:13
 183    |
 184 LL |     let _ = "key=value".splitn(2, '=').nth(1).unwrap();
 185    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `"key=value".split_once('=').unwrap().1`
 186
 187 error: manual implementation of `split_once`
 188   --> $DIR/manual_split_once.rs:144:5
 189    |
 190 LL |     let mut iter = "a.b.c".splitn(2, '.');
 191    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 192 LL |     let a = iter.next().unwrap();
 193    |     ----------------------------- first usage here
 194 LL |     let b = iter.next().unwrap();
 195    |     ----------------------------- second usage here
 196    |
 197 help: try `split_once`
 198    |
 199 LL |     let (a, b) = "a.b.c".split_once('.').unwrap();
 200    |
 201 help: remove the `iter` usages
 202    |
 203 LL -     let a = iter.next().unwrap();
 204 LL +
 205    |
 206 help: remove the `iter` usages
 207    |
 208 LL -     let b = iter.next().unwrap();
 209 LL +
 210    |
 211
 212 error: aborting due to 19 previous errors
 213