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

   1 error: this operation has no effect
   2   --> $DIR/identity_op.rs:43:5
   3    |
   4 LL |     x + 0;
   5    |     ^^^^^ help: consider reducing it to: `x`
   6    |
   7    = note: `-D clippy::identity-op` implied by `-D warnings`
   8
   9 error: this operation has no effect
  10   --> $DIR/identity_op.rs:44:5
  11    |
  12 LL |     x + (1 - 1);
  13    |     ^^^^^^^^^^^ help: consider reducing it to: `x`
  14
  15 error: this operation has no effect
  16   --> $DIR/identity_op.rs:46:5
  17    |
  18 LL |     0 + x;
  19    |     ^^^^^ help: consider reducing it to: `x`
  20
  21 error: this operation has no effect
  22   --> $DIR/identity_op.rs:49:5
  23    |
  24 LL |     x | (0);
  25    |     ^^^^^^^ help: consider reducing it to: `x`
  26
  27 error: this operation has no effect
  28   --> $DIR/identity_op.rs:52:5
  29    |
  30 LL |     x * 1;
  31    |     ^^^^^ help: consider reducing it to: `x`
  32
  33 error: this operation has no effect
  34   --> $DIR/identity_op.rs:53:5
  35    |
  36 LL |     1 * x;
  37    |     ^^^^^ help: consider reducing it to: `x`
  38
  39 error: this operation has no effect
  40   --> $DIR/identity_op.rs:59:5
  41    |
  42 LL |     -1 & x;
  43    |     ^^^^^^ help: consider reducing it to: `x`
  44
  45 error: this operation has no effect
  46   --> $DIR/identity_op.rs:62:5
  47    |
  48 LL |     u & 255;
  49    |     ^^^^^^^ help: consider reducing it to: `u`
  50
  51 error: this operation has no effect
  52   --> $DIR/identity_op.rs:65:5
  53    |
  54 LL |     42 << 0;
  55    |     ^^^^^^^ help: consider reducing it to: `42`
  56
  57 error: this operation has no effect
  58   --> $DIR/identity_op.rs:66:5
  59    |
  60 LL |     1 >> 0;
  61    |     ^^^^^^ help: consider reducing it to: `1`
  62
  63 error: this operation has no effect
  64   --> $DIR/identity_op.rs:67:5
  65    |
  66 LL |     42 >> 0;
  67    |     ^^^^^^^ help: consider reducing it to: `42`
  68
  69 error: this operation has no effect
  70   --> $DIR/identity_op.rs:68:5
  71    |
  72 LL |     &x >> 0;
  73    |     ^^^^^^^ help: consider reducing it to: `x`
  74
  75 error: this operation has no effect
  76   --> $DIR/identity_op.rs:69:5
  77    |
  78 LL |     x >> &0;
  79    |     ^^^^^^^ help: consider reducing it to: `x`
  80
  81 error: this operation has no effect
  82   --> $DIR/identity_op.rs:76:5
  83    |
  84 LL |     2 % 3;
  85    |     ^^^^^ help: consider reducing it to: `2`
  86
  87 error: this operation has no effect
  88   --> $DIR/identity_op.rs:77:5
  89    |
  90 LL |     -2 % 3;
  91    |     ^^^^^^ help: consider reducing it to: `-2`
  92
  93 error: this operation has no effect
  94   --> $DIR/identity_op.rs:78:5
  95    |
  96 LL |     2 % -3 + x;
  97    |     ^^^^^^ help: consider reducing it to: `2`
  98
  99 error: this operation has no effect
 100   --> $DIR/identity_op.rs:79:5
 101    |
 102 LL |     -2 % -3 + x;
 103    |     ^^^^^^^ help: consider reducing it to: `-2`
 104
 105 error: this operation has no effect
 106   --> $DIR/identity_op.rs:80:9
 107    |
 108 LL |     x + 1 % 3;
 109    |         ^^^^^ help: consider reducing it to: `1`
 110
 111 error: this operation has no effect
 112   --> $DIR/identity_op.rs:88:5
 113    |
 114 LL |     0 + if b { 1 } else { 2 };
 115    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(if b { 1 } else { 2 })`
 116
 117 error: this operation has no effect
 118   --> $DIR/identity_op.rs:89:5
 119    |
 120 LL |     0 + if b { 1 } else { 2 } + if b { 3 } else { 4 };
 121    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(if b { 1 } else { 2 })`
 122
 123 error: this operation has no effect
 124   --> $DIR/identity_op.rs:90:5
 125    |
 126 LL |     0 + match a { 0 => 10, _ => 20 };
 127    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(match a { 0 => 10, _ => 20 })`
 128
 129 error: this operation has no effect
 130   --> $DIR/identity_op.rs:91:5
 131    |
 132 LL |     0 + match a { 0 => 10, _ => 20 } + match a { 0 => 30, _ => 40 };
 133    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(match a { 0 => 10, _ => 20 })`
 134
 135 error: this operation has no effect
 136   --> $DIR/identity_op.rs:92:5
 137    |
 138 LL |     0 + if b { 1 } else { 2 } + match a { 0 => 30, _ => 40 };
 139    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(if b { 1 } else { 2 })`
 140
 141 error: this operation has no effect
 142   --> $DIR/identity_op.rs:93:5
 143    |
 144 LL |     0 + match a { 0 => 10, _ => 20 } + if b { 3 } else { 4 };
 145    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(match a { 0 => 10, _ => 20 })`
 146
 147 error: this operation has no effect
 148   --> $DIR/identity_op.rs:94:5
 149    |
 150 LL |     (if b { 1 } else { 2 }) + 0;
 151    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(if b { 1 } else { 2 })`
 152
 153 error: this operation has no effect
 154   --> $DIR/identity_op.rs:96:5
 155    |
 156 LL |     0 + { a } + 3;
 157    |     ^^^^^^^^^ help: consider reducing it to: `({ a })`
 158
 159 error: this operation has no effect
 160   --> $DIR/identity_op.rs:97:5
 161    |
 162 LL |     0 + { a } * 2;
 163    |     ^^^^^^^^^^^^^ help: consider reducing it to: `({ a } * 2)`
 164
 165 error: this operation has no effect
 166   --> $DIR/identity_op.rs:98:5
 167    |
 168 LL |     0 + loop { let mut c = 0; if c == 10 { break c; } c += 1; } + { a * 2 };
 169    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(loop { let mut c = 0; if c == 10 { break c; } c += 1; })`
 170
 171 error: this operation has no effect
 172   --> $DIR/identity_op.rs:103:7
 173    |
 174 LL |     f(1 * a + { 8 * 5 });
 175    |       ^^^^^ help: consider reducing it to: `a`
 176
 177 error: this operation has no effect
 178   --> $DIR/identity_op.rs:104:7
 179    |
 180 LL |     f(0 + if b { 1 } else { 2 } + 3);
 181    |       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `if b { 1 } else { 2 }`
 182
 183 error: this operation has no effect
 184   --> $DIR/identity_op.rs:105:20
 185    |
 186 LL |     const _: i32 = { 2 * 4 } + 0 + 3;
 187    |                    ^^^^^^^^^^^^^ help: consider reducing it to: `{ 2 * 4 }`
 188
 189 error: this operation has no effect
 190   --> $DIR/identity_op.rs:106:20
 191    |
 192 LL |     const _: i32 = 0 + { 1 + 2 * 3 } + 3;
 193    |                    ^^^^^^^^^^^^^^^^^ help: consider reducing it to: `{ 1 + 2 * 3 }`
 194
 195 error: this operation has no effect
 196   --> $DIR/identity_op.rs:108:5
 197    |
 198 LL |     0 + a as usize;
 199    |     ^^^^^^^^^^^^^^ help: consider reducing it to: `a as usize`
 200
 201 error: this operation has no effect
 202   --> $DIR/identity_op.rs:109:13
 203    |
 204 LL |     let _ = 0 + a as usize;
 205    |             ^^^^^^^^^^^^^^ help: consider reducing it to: `a as usize`
 206
 207 error: this operation has no effect
 208   --> $DIR/identity_op.rs:110:5
 209    |
 210 LL |     0 + { a } as usize;
 211    |     ^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `({ a } as usize)`
 212
 213 error: this operation has no effect
 214   --> $DIR/identity_op.rs:112:9
 215    |
 216 LL |     2 * (0 + { a });
 217    |         ^^^^^^^^^^^ help: consider reducing it to: `{ a }`
 218
 219 error: this operation has no effect
 220   --> $DIR/identity_op.rs:113:5
 221    |
 222 LL |     1 * ({ a } + 4);
 223    |     ^^^^^^^^^^^^^^^ help: consider reducing it to: `(({ a } + 4))`
 224
 225 error: this operation has no effect
 226   --> $DIR/identity_op.rs:114:5
 227    |
 228 LL |     1 * 1;
 229    |     ^^^^^ help: consider reducing it to: `1`
 230
 231 error: this operation has no effect
 232   --> $DIR/identity_op.rs:118:18
 233    |
 234 LL |     let _: i32 = &x + 0;
 235    |                  ^^^^^^ help: consider reducing it to: `x`
 236
 237 error: this operation has no effect
 238   --> $DIR/identity_op.rs:122:5
 239    |
 240 LL |     0 + if a { 1 } else { 2 } + if b { 3 } else { 5 }
 241    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(if a { 1 } else { 2 })`
 242
 243 error: aborting due to 40 previous errors
 244