src/test/ui/lint/use_suggestion_json.stderr

   1 {
   2   "message": "cannot find type `Iter` in this scope",
   3   "code": {
   4     "code": "E0412",
   5     "explanation": "A used type name is not in scope.
   6
   7 Erroneous code examples:
   8
   9 ```compile_fail,E0412
  10 impl Something {} // error: type name `Something` is not in scope
  11
  12 // or:
  13
  14 trait Foo {
  15     fn bar(N); // error: type name `N` is not in scope
  16 }
  17
  18 // or:
  19
  20 fn foo(x: T) {} // type name `T` is not in scope
  21 ```
  22
  23 To fix this error, please verify you didn't misspell the type name, you did
  24 declare it or imported it into the scope. Examples:
  25
  26 ```
  27 struct Something;
  28
  29 impl Something {} // ok!
  30
  31 // or:
  32
  33 trait Foo {
  34     type N;
  35
  36     fn bar(_: Self::N); // ok!
  37 }
  38
  39 // or:
  40
  41 fn foo<T>(x: T) {} // ok!
  42 ```
  43
  44 Another case that causes this error is when a type is imported into a parent
  45 module. To fix this, you can follow the suggestion and use File directly or
  46 `use super::File;` which will import the types from the parent namespace. An
  47 example that causes this error is below:
  48
  49 ```compile_fail,E0412
  50 use std::fs::File;
  51
  52 mod foo {
  53     fn some_function(f: File) {}
  54 }
  55 ```
  56
  57 ```
  58 use std::fs::File;
  59
  60 mod foo {
  61     // either
  62     use super::File;
  63     // or
  64     // use std::fs::File;
  65     fn foo(f: File) {}
  66 }
  67 # fn main() {} // don't insert it for us; that'll break imports
  68 ```
  69 "
  70   },
  71   "level": "error",
  72   "spans": [
  73     {
  74       "file_name": "$DIR/use_suggestion_json.rs",
  75       "byte_start": 471,
  76       "byte_end": 475,
  77       "line_start": 12,
  78       "line_end": 12,
  79       "column_start": 12,
  80       "column_end": 16,
  81       "is_primary": true,
  82       "text": [
  83         {
  84           "text": "    let x: Iter;",
  85           "highlight_start": 12,
  86           "highlight_end": 16
  87         }
  88       ],
  89       "label": "not found in this scope",
  90       "suggested_replacement": null,
  91       "suggestion_applicability": null,
  92       "expansion": null
  93     }
  94   ],
  95   "children": [
  96     {
  97       "message": "possible candidates are found in other modules, you can import them into scope",
  98       "code": null,
  99       "level": "help",
 100       "spans": [
 101         {
 102           "file_name": "$DIR/use_suggestion_json.rs",
 103           "byte_start": 448,
 104           "byte_end": 448,
 105           "line_start": 11,
 106           "line_end": 11,
 107           "column_start": 1,
 108           "column_end": 1,
 109           "is_primary": true,
 110           "text": [
 111             {
 112               "text": "fn main() {",
 113               "highlight_start": 1,
 114               "highlight_end": 1
 115             }
 116           ],
 117           "label": null,
 118           "suggested_replacement": "use std::collections::binary_heap::Iter;
 119
 120 ",
 121           "suggestion_applicability": "Unspecified",
 122           "expansion": null
 123         },
 124         {
 125           "file_name": "$DIR/use_suggestion_json.rs",
 126           "byte_start": 448,
 127           "byte_end": 448,
 128           "line_start": 11,
 129           "line_end": 11,
 130           "column_start": 1,
 131           "column_end": 1,
 132           "is_primary": true,
 133           "text": [
 134             {
 135               "text": "fn main() {",
 136               "highlight_start": 1,
 137               "highlight_end": 1
 138             }
 139           ],
 140           "label": null,
 141           "suggested_replacement": "use std::collections::btree_map::Iter;
 142
 143 ",
 144           "suggestion_applicability": "Unspecified",
 145           "expansion": null
 146         },
 147         {
 148           "file_name": "$DIR/use_suggestion_json.rs",
 149           "byte_start": 448,
 150           "byte_end": 448,
 151           "line_start": 11,
 152           "line_end": 11,
 153           "column_start": 1,
 154           "column_end": 1,
 155           "is_primary": true,
 156           "text": [
 157             {
 158               "text": "fn main() {",
 159               "highlight_start": 1,
 160               "highlight_end": 1
 161             }
 162           ],
 163           "label": null,
 164           "suggested_replacement": "use std::collections::btree_set::Iter;
 165
 166 ",
 167           "suggestion_applicability": "Unspecified",
 168           "expansion": null
 169         },
 170         {
 171           "file_name": "$DIR/use_suggestion_json.rs",
 172           "byte_start": 448,
 173           "byte_end": 448,
 174           "line_start": 11,
 175           "line_end": 11,
 176           "column_start": 1,
 177           "column_end": 1,
 178           "is_primary": true,
 179           "text": [
 180             {
 181               "text": "fn main() {",
 182               "highlight_start": 1,
 183               "highlight_end": 1
 184             }
 185           ],
 186           "label": null,
 187           "suggested_replacement": "use std::collections::hash_map::Iter;
 188
 189 ",
 190           "suggestion_applicability": "Unspecified",
 191           "expansion": null
 192         },
 193         {
 194           "file_name": "$DIR/use_suggestion_json.rs",
 195           "byte_start": 448,
 196           "byte_end": 448,
 197           "line_start": 11,
 198           "line_end": 11,
 199           "column_start": 1,
 200           "column_end": 1,
 201           "is_primary": true,
 202           "text": [
 203             {
 204               "text": "fn main() {",
 205               "highlight_start": 1,
 206               "highlight_end": 1
 207             }
 208           ],
 209           "label": null,
 210           "suggested_replacement": "use std::collections::hash_set::Iter;
 211
 212 ",
 213           "suggestion_applicability": "Unspecified",
 214           "expansion": null
 215         },
 216         {
 217           "file_name": "$DIR/use_suggestion_json.rs",
 218           "byte_start": 448,
 219           "byte_end": 448,
 220           "line_start": 11,
 221           "line_end": 11,
 222           "column_start": 1,
 223           "column_end": 1,
 224           "is_primary": true,
 225           "text": [
 226             {
 227               "text": "fn main() {",
 228               "highlight_start": 1,
 229               "highlight_end": 1
 230             }
 231           ],
 232           "label": null,
 233           "suggested_replacement": "use std::collections::linked_list::Iter;
 234
 235 ",
 236           "suggestion_applicability": "Unspecified",
 237           "expansion": null
 238         },
 239         {
 240           "file_name": "$DIR/use_suggestion_json.rs",
 241           "byte_start": 448,
 242           "byte_end": 448,
 243           "line_start": 11,
 244           "line_end": 11,
 245           "column_start": 1,
 246           "column_end": 1,
 247           "is_primary": true,
 248           "text": [
 249             {
 250               "text": "fn main() {",
 251               "highlight_start": 1,
 252               "highlight_end": 1
 253             }
 254           ],
 255           "label": null,
 256           "suggested_replacement": "use std::collections::vec_deque::Iter;
 257
 258 ",
 259           "suggestion_applicability": "Unspecified",
 260           "expansion": null
 261         },
 262         {
 263           "file_name": "$DIR/use_suggestion_json.rs",
 264           "byte_start": 448,
 265           "byte_end": 448,
 266           "line_start": 11,
 267           "line_end": 11,
 268           "column_start": 1,
 269           "column_end": 1,
 270           "is_primary": true,
 271           "text": [
 272             {
 273               "text": "fn main() {",
 274               "highlight_start": 1,
 275               "highlight_end": 1
 276             }
 277           ],
 278           "label": null,
 279           "suggested_replacement": "use std::option::Iter;
 280
 281 ",
 282           "suggestion_applicability": "Unspecified",
 283           "expansion": null
 284         },
 285         {
 286           "file_name": "$DIR/use_suggestion_json.rs",
 287           "byte_start": 448,
 288           "byte_end": 448,
 289           "line_start": 11,
 290           "line_end": 11,
 291           "column_start": 1,
 292           "column_end": 1,
 293           "is_primary": true,
 294           "text": [
 295             {
 296               "text": "fn main() {",
 297               "highlight_start": 1,
 298               "highlight_end": 1
 299             }
 300           ],
 301           "label": null,
 302           "suggested_replacement": "use std::path::Iter;
 303
 304 ",
 305           "suggestion_applicability": "Unspecified",
 306           "expansion": null
 307         },
 308         {
 309           "file_name": "$DIR/use_suggestion_json.rs",
 310           "byte_start": 448,
 311           "byte_end": 448,
 312           "line_start": 11,
 313           "line_end": 11,
 314           "column_start": 1,
 315           "column_end": 1,
 316           "is_primary": true,
 317           "text": [
 318             {
 319               "text": "fn main() {",
 320               "highlight_start": 1,
 321               "highlight_end": 1
 322             }
 323           ],
 324           "label": null,
 325           "suggested_replacement": "use std::result::Iter;
 326
 327 ",
 328           "suggestion_applicability": "Unspecified",
 329           "expansion": null
 330         },
 331         {
 332           "file_name": "$DIR/use_suggestion_json.rs",
 333           "byte_start": 448,
 334           "byte_end": 448,
 335           "line_start": 11,
 336           "line_end": 11,
 337           "column_start": 1,
 338           "column_end": 1,
 339           "is_primary": true,
 340           "text": [
 341             {
 342               "text": "fn main() {",
 343               "highlight_start": 1,
 344               "highlight_end": 1
 345             }
 346           ],
 347           "label": null,
 348           "suggested_replacement": "use std::slice::Iter;
 349
 350 ",
 351           "suggestion_applicability": "Unspecified",
 352           "expansion": null
 353         },
 354         {
 355           "file_name": "$DIR/use_suggestion_json.rs",
 356           "byte_start": 448,
 357           "byte_end": 448,
 358           "line_start": 11,
 359           "line_end": 11,
 360           "column_start": 1,
 361           "column_end": 1,
 362           "is_primary": true,
 363           "text": [
 364             {
 365               "text": "fn main() {",
 366               "highlight_start": 1,
 367               "highlight_end": 1
 368             }
 369           ],
 370           "label": null,
 371           "suggested_replacement": "use std::sync::mpsc::Iter;
 372
 373 ",
 374           "suggestion_applicability": "Unspecified",
 375           "expansion": null
 376         }
 377       ],
 378       "children": [],
 379       "rendered": null
 380     }
 381   ],
 382   "rendered": "\u001b[0m\u001b[1m\u001b[38;5;9merror[E0412]\u001b[0m\u001b[0m\u001b[1m: cannot find type `Iter` in this scope\u001b[0m
 383 \u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0m$DIR/use_suggestion_json.rs:12:12\u001b[0m
 384 \u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m
 385 \u001b[0m\u001b[1m\u001b[38;5;12mLL\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m    let x: Iter;\u001b[0m
 386 \u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m           \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9mnot found in this scope\u001b[0m
 387 \u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m
 388 \u001b[0m\u001b[1m\u001b[38;5;14mhelp\u001b[0m\u001b[0m: possible candidates are found in other modules, you can import them into scope\u001b[0m
 389 \u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m
 390 \u001b[0m\u001b[1m\u001b[38;5;12mLL\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse std::collections::binary_heap::Iter;\u001b[0m
 391 \u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m
 392 \u001b[0m\u001b[1m\u001b[38;5;12mLL\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse std::collections::btree_map::Iter;\u001b[0m
 393 \u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m
 394 \u001b[0m\u001b[1m\u001b[38;5;12mLL\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse std::collections::btree_set::Iter;\u001b[0m
 395 \u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m
 396 \u001b[0m\u001b[1m\u001b[38;5;12mLL\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse std::collections::hash_map::Iter;\u001b[0m
 397 \u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m
 398 \u001b[0m     and 8 other candidates\u001b[0m
 399
 400 "
 401 }
 402 {
 403   "message": "aborting due to previous error",
 404   "code": null,
 405   "level": "error",
 406   "spans": [],
 407   "children": [],
 408   "rendered": "\u001b[0m\u001b[1m\u001b[38;5;9merror\u001b[0m\u001b[0m\u001b[1m: aborting due to previous error\u001b[0m
 409
 410 "
 411 }
 412 {
 413   "message": "For more information about this error, try `rustc --explain E0412`.",
 414   "code": null,
 415   "level": "failure-note",
 416   "spans": [],
 417   "children": [],
 418   "rendered": "\u001b[0m\u001b[1mFor more information about this error, try `rustc --explain E0412`.\u001b[0m
 419 "
 420 }