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

   1 error: this boolean expression contains a logic bug
   2   --> $DIR/booleans.rs:12:13
   3    |
   4 12 |     let _ = a && b || a;
   5    |             ^^^^^^^^^^^ help: it would look like the following: `a`
   6    |
   7    = note: `-D logic-bug` implied by `-D warnings`
   8 help: this expression can be optimized out by applying boolean operations to the outer expression
   9   --> $DIR/booleans.rs:12:18
  10    |
  11 12 |     let _ = a && b || a;
  12    |                  ^
  13
  14 error: this boolean expression can be simplified
  15   --> $DIR/booleans.rs:14:13
  16    |
  17 14 |     let _ = !true;
  18    |             ^^^^^ help: try: `false`
  19    |
  20    = note: `-D nonminimal-bool` implied by `-D warnings`
  21
  22 error: this boolean expression can be simplified
  23   --> $DIR/booleans.rs:15:13
  24    |
  25 15 |     let _ = !false;
  26    |             ^^^^^^ help: try: `true`
  27
  28 error: this boolean expression can be simplified
  29   --> $DIR/booleans.rs:16:13
  30    |
  31 16 |     let _ = !!a;
  32    |             ^^^ help: try: `a`
  33
  34 error: this boolean expression contains a logic bug
  35   --> $DIR/booleans.rs:17:13
  36    |
  37 17 |     let _ = false && a;
  38    |             ^^^^^^^^^^ help: it would look like the following: `false`
  39    |
  40 help: this expression can be optimized out by applying boolean operations to the outer expression
  41   --> $DIR/booleans.rs:17:22
  42    |
  43 17 |     let _ = false && a;
  44    |                      ^
  45
  46 error: this boolean expression can be simplified
  47   --> $DIR/booleans.rs:18:13
  48    |
  49 18 |     let _ = false || a;
  50    |             ^^^^^^^^^^ help: try: `a`
  51
  52 error: this boolean expression can be simplified
  53   --> $DIR/booleans.rs:23:13
  54    |
  55 23 |     let _ = !(!a && b);
  56    |             ^^^^^^^^^^ help: try: `!b || a`
  57
  58 error: this boolean expression contains a logic bug
  59   --> $DIR/booleans.rs:33:13
  60    |
  61 33 |     let _ = a == b && a != b;
  62    |             ^^^^^^^^^^^^^^^^ help: it would look like the following: `false`
  63    |
  64 help: this expression can be optimized out by applying boolean operations to the outer expression
  65   --> $DIR/booleans.rs:33:13
  66    |
  67 33 |     let _ = a == b && a != b;
  68    |             ^^^^^^
  69
  70 error: this boolean expression can be simplified
  71   --> $DIR/booleans.rs:34:13
  72    |
  73 34 |     let _ = a == b && c == 5 && a == b;
  74    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
  75    |
  76 help: try
  77    |
  78 34 |     let _ = a == b && c == 5;
  79    |             ^^^^^^^^^^^^^^^^
  80 34 |     let _ = !(c != 5 || a != b);
  81    |             ^^^^^^^^^^^^^^^^^^^
  82
  83 error: this boolean expression can be simplified
  84   --> $DIR/booleans.rs:35:13
  85    |
  86 35 |     let _ = a == b && c == 5 && b == a;
  87    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
  88    |
  89 help: try
  90    |
  91 35 |     let _ = a == b && c == 5;
  92    |             ^^^^^^^^^^^^^^^^
  93 35 |     let _ = !(c != 5 || a != b);
  94    |             ^^^^^^^^^^^^^^^^^^^
  95
  96 error: this boolean expression contains a logic bug
  97   --> $DIR/booleans.rs:36:13
  98    |
  99 36 |     let _ = a < b && a >= b;
 100    |             ^^^^^^^^^^^^^^^ help: it would look like the following: `false`
 101    |
 102 help: this expression can be optimized out by applying boolean operations to the outer expression
 103   --> $DIR/booleans.rs:36:13
 104    |
 105 36 |     let _ = a < b && a >= b;
 106    |             ^^^^^
 107
 108 error: this boolean expression contains a logic bug
 109   --> $DIR/booleans.rs:37:13
 110    |
 111 37 |     let _ = a > b && a <= b;
 112    |             ^^^^^^^^^^^^^^^ help: it would look like the following: `false`
 113    |
 114 help: this expression can be optimized out by applying boolean operations to the outer expression
 115   --> $DIR/booleans.rs:37:13
 116    |
 117 37 |     let _ = a > b && a <= b;
 118    |             ^^^^^
 119
 120 error: this boolean expression can be simplified
 121   --> $DIR/booleans.rs:39:13
 122    |
 123 39 |     let _ = a != b || !(a != b || c == d);
 124    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 125    |
 126 help: try
 127    |
 128 39 |     let _ = c != d || a != b;
 129    |             ^^^^^^^^^^^^^^^^
 130 39 |     let _ = !(a == b && c == d);
 131    |             ^^^^^^^^^^^^^^^^^^^
 132
 133 error: this boolean expression can be simplified
 134   --> $DIR/booleans.rs:47:13
 135    |
 136 47 |     let _ = !a.is_some();
 137    |             ^^^^^^^^^^^^ help: try: `a.is_none()`
 138
 139 error: this boolean expression can be simplified
 140   --> $DIR/booleans.rs:49:13
 141    |
 142 49 |     let _ = !a.is_none();
 143    |             ^^^^^^^^^^^^ help: try: `a.is_some()`
 144
 145 error: this boolean expression can be simplified
 146   --> $DIR/booleans.rs:51:13
 147    |
 148 51 |     let _ = !b.is_err();
 149    |             ^^^^^^^^^^^ help: try: `b.is_ok()`
 150
 151 error: this boolean expression can be simplified
 152   --> $DIR/booleans.rs:53:13
 153    |
 154 53 |     let _ = !b.is_ok();
 155    |             ^^^^^^^^^^ help: try: `b.is_err()`
 156
 157 error: this boolean expression can be simplified
 158   --> $DIR/booleans.rs:55:13
 159    |
 160 55 |     let _ = !(a.is_some() && !c);
 161    |             ^^^^^^^^^^^^^^^^^^^^ help: try: `c || a.is_none()`
 162