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

   1 error: use Option::map_or instead of an if let/else
   2   --> $DIR/option_if_let_else.rs:7:5
   3    |
   4 LL | /     if let Some(x) = string {
   5 LL | |         (true, x)
   6 LL | |     } else {
   7 LL | |         (false, "hello")
   8 LL | |     }
   9    | |_____^ help: try: `string.map_or((false, "hello"), |x| (true, x))`
  10    |
  11    = note: `-D clippy::option-if-let-else` implied by `-D warnings`
  12
  13 error: use Option::map_or instead of an if let/else
  14   --> $DIR/option_if_let_else.rs:25:13
  15    |
  16 LL |     let _ = if let Some(s) = *string { s.len() } else { 0 };
  17    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `string.map_or(0, |s| s.len())`
  18
  19 error: use Option::map_or instead of an if let/else
  20   --> $DIR/option_if_let_else.rs:26:13
  21    |
  22 LL |     let _ = if let Some(s) = &num { s } else { &0 };
  23    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `num.as_ref().map_or(&0, |s| s)`
  24
  25 error: use Option::map_or instead of an if let/else
  26   --> $DIR/option_if_let_else.rs:27:13
  27    |
  28 LL |       let _ = if let Some(s) = &mut num {
  29    |  _____________^
  30 LL | |         *s += 1;
  31 LL | |         s
  32 LL | |     } else {
  33 LL | |         &mut 0
  34 LL | |     };
  35    | |_____^
  36    |
  37 help: try
  38    |
  39 LL ~     let _ = num.as_mut().map_or(&mut 0, |s| {
  40 LL +         *s += 1;
  41 LL +         s
  42 LL ~     });
  43    |
  44
  45 error: use Option::map_or instead of an if let/else
  46   --> $DIR/option_if_let_else.rs:33:13
  47    |
  48 LL |     let _ = if let Some(ref s) = num { s } else { &0 };
  49    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `num.as_ref().map_or(&0, |s| s)`
  50
  51 error: use Option::map_or instead of an if let/else
  52   --> $DIR/option_if_let_else.rs:34:13
  53    |
  54 LL |       let _ = if let Some(mut s) = num {
  55    |  _____________^
  56 LL | |         s += 1;
  57 LL | |         s
  58 LL | |     } else {
  59 LL | |         0
  60 LL | |     };
  61    | |_____^
  62    |
  63 help: try
  64    |
  65 LL ~     let _ = num.map_or(0, |mut s| {
  66 LL +         s += 1;
  67 LL +         s
  68 LL ~     });
  69    |
  70
  71 error: use Option::map_or instead of an if let/else
  72   --> $DIR/option_if_let_else.rs:40:13
  73    |
  74 LL |       let _ = if let Some(ref mut s) = num {
  75    |  _____________^
  76 LL | |         *s += 1;
  77 LL | |         s
  78 LL | |     } else {
  79 LL | |         &mut 0
  80 LL | |     };
  81    | |_____^
  82    |
  83 help: try
  84    |
  85 LL ~     let _ = num.as_mut().map_or(&mut 0, |s| {
  86 LL +         *s += 1;
  87 LL +         s
  88 LL ~     });
  89    |
  90
  91 error: use Option::map_or instead of an if let/else
  92   --> $DIR/option_if_let_else.rs:49:5
  93    |
  94 LL | /     if let Some(x) = arg {
  95 LL | |         let y = x * x;
  96 LL | |         y * y
  97 LL | |     } else {
  98 LL | |         13
  99 LL | |     }
 100    | |_____^
 101    |
 102 help: try
 103    |
 104 LL ~     arg.map_or(13, |x| {
 105 LL +         let y = x * x;
 106 LL +         y * y
 107 LL +     })
 108    |
 109
 110 error: use Option::map_or_else instead of an if let/else
 111   --> $DIR/option_if_let_else.rs:62:13
 112    |
 113 LL |       let _ = if let Some(x) = arg {
 114    |  _____________^
 115 LL | |         x
 116 LL | |     } else {
 117 LL | |         // map_or_else must be suggested
 118 LL | |         side_effect()
 119 LL | |     };
 120    | |_____^ help: try: `arg.map_or_else(|| side_effect(), |x| x)`
 121
 122 error: use Option::map_or_else instead of an if let/else
 123   --> $DIR/option_if_let_else.rs:71:13
 124    |
 125 LL |       let _ = if let Some(x) = arg {
 126    |  _____________^
 127 LL | |         x * x * x * x
 128 LL | |     } else {
 129 LL | |         let mut y = 1;
 130 ...  |
 131 LL | |         y
 132 LL | |     };
 133    | |_____^
 134    |
 135 help: try
 136    |
 137 LL ~     let _ = arg.map_or_else(|| {
 138 LL +         let mut y = 1;
 139 LL +         y = (y + 2 / y) / 2;
 140 LL +         y = (y + 2 / y) / 2;
 141 LL +         y
 142 LL ~     }, |x| x * x * x * x);
 143    |
 144
 145 error: use Option::map_or instead of an if let/else
 146   --> $DIR/option_if_let_else.rs:100:13
 147    |
 148 LL |     let _ = if let Some(x) = optional { x + 2 } else { 5 };
 149    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `optional.map_or(5, |x| x + 2)`
 150
 151 error: aborting due to 11 previous errors
 152