tests/ui/loops/loop-break-value.stderr

   1 error[E0425]: cannot find value `LOOP` in this scope
   2   --> $DIR/loop-break-value.rs:95:15
   3    |
   4 LL |     'LOOP: for _ in 0 .. 9 {
   5    |     ----- a label with a similar name exists
   6 LL |         break LOOP;
   7    |               ^^^^
   8    |               |
   9    |               not found in this scope
  10    |               help: use the similarly named label: `'LOOP`
  11
  12 warning: denote infinite loops with `loop { ... }`
  13   --> $DIR/loop-break-value.rs:26:5
  14    |
  15 LL |     'while_loop: while true {
  16    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: use `loop`
  17    |
  18    = note: `#[warn(while_true)]` on by default
  19
  20 error[E0571]: `break` with value from a `while` loop
  21   --> $DIR/loop-break-value.rs:28:9
  22    |
  23 LL |     'while_loop: while true {
  24    |     ----------------------- you can't `break` with a value in a `while` loop
  25 LL |         break;
  26 LL |         break ();
  27    |         ^^^^^^^^ can only break with a value inside `loop` or breakable block
  28    |
  29 help: use `break` on its own without a value inside this `while` loop
  30    |
  31 LL |         break;
  32    |         ~~~~~
  33 help: alternatively, you might have meant to use the available loop label
  34    |
  35 LL |         break 'while_loop;
  36    |               ~~~~~~~~~~~
  37
  38 error[E0571]: `break` with value from a `while` loop
  39   --> $DIR/loop-break-value.rs:30:13
  40    |
  41 LL |     'while_loop: while true {
  42    |     ----------------------- you can't `break` with a value in a `while` loop
  43 ...
  44 LL |             break 'while_loop 123;
  45    |             ^^^^^^^^^^^^^^^^^^^^^ can only break with a value inside `loop` or breakable block
  46    |
  47 help: use `break` on its own without a value inside this `while` loop
  48    |
  49 LL |             break 'while_loop;
  50    |             ~~~~~~~~~~~~~~~~~
  51
  52 error[E0571]: `break` with value from a `while` loop
  53   --> $DIR/loop-break-value.rs:38:12
  54    |
  55 LL |     while let Some(_) = Some(()) {
  56    |     ---------------------------- you can't `break` with a value in a `while` loop
  57 LL |         if break () {
  58    |            ^^^^^^^^ can only break with a value inside `loop` or breakable block
  59    |
  60 help: use `break` on its own without a value inside this `while` loop
  61    |
  62 LL |         if break {
  63    |            ~~~~~
  64
  65 error[E0571]: `break` with value from a `while` loop
  66   --> $DIR/loop-break-value.rs:43:9
  67    |
  68 LL |     while let Some(_) = Some(()) {
  69    |     ---------------------------- you can't `break` with a value in a `while` loop
  70 LL |         break None;
  71    |         ^^^^^^^^^^ can only break with a value inside `loop` or breakable block
  72    |
  73 help: use `break` on its own without a value inside this `while` loop
  74    |
  75 LL |         break;
  76    |         ~~~~~
  77
  78 error[E0571]: `break` with value from a `while` loop
  79   --> $DIR/loop-break-value.rs:49:13
  80    |
  81 LL |     'while_let_loop: while let Some(_) = Some(()) {
  82    |     --------------------------------------------- you can't `break` with a value in a `while` loop
  83 LL |         loop {
  84 LL |             break 'while_let_loop "nope";
  85    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can only break with a value inside `loop` or breakable block
  86    |
  87 help: use `break` on its own without a value inside this `while` loop
  88    |
  89 LL |             break 'while_let_loop;
  90    |             ~~~~~~~~~~~~~~~~~~~~~
  91
  92 error[E0571]: `break` with value from a `for` loop
  93   --> $DIR/loop-break-value.rs:56:9
  94    |
  95 LL |     for _ in &[1,2,3] {
  96    |     ----------------- you can't `break` with a value in a `for` loop
  97 LL |         break ();
  98    |         ^^^^^^^^ can only break with a value inside `loop` or breakable block
  99    |
 100 help: use `break` on its own without a value inside this `for` loop
 101    |
 102 LL |         break;
 103    |         ~~~~~
 104
 105 error[E0571]: `break` with value from a `for` loop
 106   --> $DIR/loop-break-value.rs:57:9
 107    |
 108 LL |     for _ in &[1,2,3] {
 109    |     ----------------- you can't `break` with a value in a `for` loop
 110 LL |         break ();
 111 LL |         break [()];
 112    |         ^^^^^^^^^^ can only break with a value inside `loop` or breakable block
 113    |
 114 help: use `break` on its own without a value inside this `for` loop
 115    |
 116 LL |         break;
 117    |         ~~~~~
 118
 119 error[E0571]: `break` with value from a `for` loop
 120   --> $DIR/loop-break-value.rs:64:13
 121    |
 122 LL |     'for_loop: for _ in &[1,2,3] {
 123    |     ---------------------------- you can't `break` with a value in a `for` loop
 124 ...
 125 LL |             break 'for_loop Some(17);
 126    |             ^^^^^^^^^^^^^^^^^^^^^^^^ can only break with a value inside `loop` or breakable block
 127    |
 128 help: use `break` on its own without a value inside this `for` loop
 129    |
 130 LL |             break 'for_loop;
 131    |             ~~~~~~~~~~~~~~~
 132
 133 error[E0308]: mismatched types
 134   --> $DIR/loop-break-value.rs:4:31
 135    |
 136 LL |     let val: ! = loop { break break; };
 137    |                               ^^^^^ expected `!`, found `()`
 138    |
 139    = note:   expected type `!`
 140            found unit type `()`
 141
 142 error[E0308]: mismatched types
 143   --> $DIR/loop-break-value.rs:11:19
 144    |
 145 LL |             break 123;
 146    |                   ^^^ expected `&str`, found integer
 147
 148 error[E0308]: mismatched types
 149   --> $DIR/loop-break-value.rs:16:15
 150    |
 151 LL |         break "asdf";
 152    |               ^^^^^^ expected `i32`, found `&str`
 153
 154 error[E0308]: mismatched types
 155   --> $DIR/loop-break-value.rs:21:31
 156    |
 157 LL |             break 'outer_loop "nope";
 158    |                               ^^^^^^ expected `i32`, found `&str`
 159
 160 error[E0308]: mismatched types
 161   --> $DIR/loop-break-value.rs:73:26
 162    |
 163 LL |                 break 'c 123;
 164    |                          ^^^ expected `()`, found integer
 165
 166 error[E0308]: mismatched types
 167   --> $DIR/loop-break-value.rs:80:15
 168    |
 169 LL |         break (break, break);
 170    |               ^^^^^^^^^^^^^^ expected `()`, found `(!, !)`
 171    |
 172    = note: expected unit type `()`
 173                   found tuple `(!, !)`
 174
 175 error[E0308]: mismatched types
 176   --> $DIR/loop-break-value.rs:85:15
 177    |
 178 LL |         break 2;
 179    |               ^ expected `()`, found integer
 180
 181 error[E0308]: mismatched types
 182   --> $DIR/loop-break-value.rs:90:9
 183    |
 184 LL |         break;
 185    |         ^^^^^
 186    |         |
 187    |         expected integer, found `()`
 188    |         help: give it a value of the expected type: `break value`
 189
 190 error: aborting due to 17 previous errors; 1 warning emitted
 191
 192 Some errors have detailed explanations: E0308, E0425, E0571.
 193 For more information about an error, try `rustc --explain E0308`.