summaryrefslogtreecommitdiffstats
path: root/tests/ui/pattern/usefulness/empty-match.normal.stderr
blob: 6d17455086beb33577997ee06f33e95ae6424609 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
error: unreachable pattern
  --> $DIR/empty-match.rs:58:9
   |
LL |         _ => {},
   |         ^
   |
note: the lint level is defined here
  --> $DIR/empty-match.rs:8:9
   |
LL | #![deny(unreachable_patterns)]
   |         ^^^^^^^^^^^^^^^^^^^^

error: unreachable pattern
  --> $DIR/empty-match.rs:61:9
   |
LL |         _ if false => {},
   |         ^

error: unreachable pattern
  --> $DIR/empty-match.rs:68:9
   |
LL |         _ => {},
   |         ^

error: unreachable pattern
  --> $DIR/empty-match.rs:71:9
   |
LL |         _ if false => {},
   |         ^

error[E0005]: refutable pattern in local binding
  --> $DIR/empty-match.rs:76:9
   |
LL |     let None = x;
   |         ^^^^ pattern `Some(_)` not covered
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
   = note: the matched value is of type `Option<SecretlyUninhabitedForeignStruct>`
help: you might want to use `if let` to ignore the variant that isn't matched
   |
LL |     if let None = x { todo!() };
   |     ++              +++++++++++

error: unreachable pattern
  --> $DIR/empty-match.rs:88:9
   |
LL |         _ => {},
   |         ^

error: unreachable pattern
  --> $DIR/empty-match.rs:91:9
   |
LL |         _ if false => {},
   |         ^

error[E0004]: non-exhaustive patterns: type `u8` is non-empty
  --> $DIR/empty-match.rs:109:20
   |
LL |     match_no_arms!(0u8);
   |                    ^^^
   |
   = note: the matched value is of type `u8`
   = help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern

error[E0004]: non-exhaustive patterns: type `NonEmptyStruct1` is non-empty
  --> $DIR/empty-match.rs:111:20
   |
LL |     match_no_arms!(NonEmptyStruct1);
   |                    ^^^^^^^^^^^^^^^
   |
note: `NonEmptyStruct1` defined here
  --> $DIR/empty-match.rs:15:8
   |
LL | struct NonEmptyStruct1;
   |        ^^^^^^^^^^^^^^^
   = note: the matched value is of type `NonEmptyStruct1`
   = help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern

error[E0004]: non-exhaustive patterns: type `NonEmptyStruct2` is non-empty
  --> $DIR/empty-match.rs:113:20
   |
LL |     match_no_arms!(NonEmptyStruct2(true));
   |                    ^^^^^^^^^^^^^^^^^^^^^
   |
note: `NonEmptyStruct2` defined here
  --> $DIR/empty-match.rs:18:8
   |
LL | struct NonEmptyStruct2(bool);
   |        ^^^^^^^^^^^^^^^
   = note: the matched value is of type `NonEmptyStruct2`
   = help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern

error[E0004]: non-exhaustive patterns: type `NonEmptyUnion1` is non-empty
  --> $DIR/empty-match.rs:115:20
   |
LL |     match_no_arms!((NonEmptyUnion1 { foo: () }));
   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
note: `NonEmptyUnion1` defined here
  --> $DIR/empty-match.rs:21:7
   |
LL | union NonEmptyUnion1 {
   |       ^^^^^^^^^^^^^^
   = note: the matched value is of type `NonEmptyUnion1`
   = help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern

error[E0004]: non-exhaustive patterns: type `NonEmptyUnion2` is non-empty
  --> $DIR/empty-match.rs:117:20
   |
LL |     match_no_arms!((NonEmptyUnion2 { foo: () }));
   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
note: `NonEmptyUnion2` defined here
  --> $DIR/empty-match.rs:26:7
   |
LL | union NonEmptyUnion2 {
   |       ^^^^^^^^^^^^^^
   = note: the matched value is of type `NonEmptyUnion2`
   = help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern

error[E0004]: non-exhaustive patterns: `NonEmptyEnum1::Foo(_)` not covered
  --> $DIR/empty-match.rs:119:20
   |
LL |     match_no_arms!(NonEmptyEnum1::Foo(true));
   |                    ^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyEnum1::Foo(_)` not covered
   |
note: `NonEmptyEnum1` defined here
  --> $DIR/empty-match.rs:33:5
   |
LL | enum NonEmptyEnum1 {
   |      -------------
LL |     Foo(bool),
   |     ^^^ not covered
   = note: the matched value is of type `NonEmptyEnum1`
   = help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern

error[E0004]: non-exhaustive patterns: `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
  --> $DIR/empty-match.rs:122:20
   |
LL |     match_no_arms!(NonEmptyEnum2::Foo(true));
   |                    ^^^^^^^^^^^^^^^^^^^^^^^^ patterns `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
   |
note: `NonEmptyEnum2` defined here
  --> $DIR/empty-match.rs:40:5
   |
LL | enum NonEmptyEnum2 {
   |      -------------
LL |     Foo(bool),
   |     ^^^ not covered
...
LL |     Bar,
   |     ^^^ not covered
   = note: the matched value is of type `NonEmptyEnum2`
   = help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or multiple match arms

error[E0004]: non-exhaustive patterns: `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
  --> $DIR/empty-match.rs:125:20
   |
LL |     match_no_arms!(NonEmptyEnum5::V1);
   |                    ^^^^^^^^^^^^^^^^^ patterns `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
   |
note: `NonEmptyEnum5` defined here
  --> $DIR/empty-match.rs:49:6
   |
LL | enum NonEmptyEnum5 {
   |      ^^^^^^^^^^^^^
   = note: the matched value is of type `NonEmptyEnum5`
   = help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or multiple match arms

error[E0004]: non-exhaustive patterns: `_` not covered
  --> $DIR/empty-match.rs:129:24
   |
LL |     match_guarded_arm!(0u8);
   |                        ^^^ pattern `_` not covered
   |
   = note: the matched value is of type `u8`
   = note: match arms with guards don't count towards exhaustivity
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
   |
LL ~             _ if false => {},
LL +             _ => todo!()
   |

error[E0004]: non-exhaustive patterns: `NonEmptyStruct1` not covered
  --> $DIR/empty-match.rs:134:24
   |
LL |     match_guarded_arm!(NonEmptyStruct1);
   |                        ^^^^^^^^^^^^^^^ pattern `NonEmptyStruct1` not covered
   |
note: `NonEmptyStruct1` defined here
  --> $DIR/empty-match.rs:15:8
   |
LL | struct NonEmptyStruct1;
   |        ^^^^^^^^^^^^^^^
   = note: the matched value is of type `NonEmptyStruct1`
   = note: match arms with guards don't count towards exhaustivity
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
   |
LL ~             _ if false => {},
LL +             NonEmptyStruct1 => todo!()
   |

error[E0004]: non-exhaustive patterns: `NonEmptyStruct2(_)` not covered
  --> $DIR/empty-match.rs:139:24
   |
LL |     match_guarded_arm!(NonEmptyStruct2(true));
   |                        ^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyStruct2(_)` not covered
   |
note: `NonEmptyStruct2` defined here
  --> $DIR/empty-match.rs:18:8
   |
LL | struct NonEmptyStruct2(bool);
   |        ^^^^^^^^^^^^^^^
   = note: the matched value is of type `NonEmptyStruct2`
   = note: match arms with guards don't count towards exhaustivity
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
   |
LL ~             _ if false => {},
LL +             NonEmptyStruct2(_) => todo!()
   |

error[E0004]: non-exhaustive patterns: `NonEmptyUnion1 { .. }` not covered
  --> $DIR/empty-match.rs:144:24
   |
LL |     match_guarded_arm!((NonEmptyUnion1 { foo: () }));
   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyUnion1 { .. }` not covered
   |
note: `NonEmptyUnion1` defined here
  --> $DIR/empty-match.rs:21:7
   |
LL | union NonEmptyUnion1 {
   |       ^^^^^^^^^^^^^^
   = note: the matched value is of type `NonEmptyUnion1`
   = note: match arms with guards don't count towards exhaustivity
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
   |
LL ~             _ if false => {},
LL +             NonEmptyUnion1 { .. } => todo!()
   |

error[E0004]: non-exhaustive patterns: `NonEmptyUnion2 { .. }` not covered
  --> $DIR/empty-match.rs:149:24
   |
LL |     match_guarded_arm!((NonEmptyUnion2 { foo: () }));
   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyUnion2 { .. }` not covered
   |
note: `NonEmptyUnion2` defined here
  --> $DIR/empty-match.rs:26:7
   |
LL | union NonEmptyUnion2 {
   |       ^^^^^^^^^^^^^^
   = note: the matched value is of type `NonEmptyUnion2`
   = note: match arms with guards don't count towards exhaustivity
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
   |
LL ~             _ if false => {},
LL +             NonEmptyUnion2 { .. } => todo!()
   |

error[E0004]: non-exhaustive patterns: `NonEmptyEnum1::Foo(_)` not covered
  --> $DIR/empty-match.rs:154:24
   |
LL |     match_guarded_arm!(NonEmptyEnum1::Foo(true));
   |                        ^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyEnum1::Foo(_)` not covered
   |
note: `NonEmptyEnum1` defined here
  --> $DIR/empty-match.rs:33:5
   |
LL | enum NonEmptyEnum1 {
   |      -------------
LL |     Foo(bool),
   |     ^^^ not covered
   = note: the matched value is of type `NonEmptyEnum1`
   = note: match arms with guards don't count towards exhaustivity
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
   |
LL ~             _ if false => {},
LL +             NonEmptyEnum1::Foo(_) => todo!()
   |

error[E0004]: non-exhaustive patterns: `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
  --> $DIR/empty-match.rs:159:24
   |
LL |     match_guarded_arm!(NonEmptyEnum2::Foo(true));
   |                        ^^^^^^^^^^^^^^^^^^^^^^^^ patterns `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
   |
note: `NonEmptyEnum2` defined here
  --> $DIR/empty-match.rs:40:5
   |
LL | enum NonEmptyEnum2 {
   |      -------------
LL |     Foo(bool),
   |     ^^^ not covered
...
LL |     Bar,
   |     ^^^ not covered
   = note: the matched value is of type `NonEmptyEnum2`
   = note: match arms with guards don't count towards exhaustivity
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms
   |
LL ~             _ if false => {},
LL +             NonEmptyEnum2::Foo(_) | NonEmptyEnum2::Bar => todo!()
   |

error[E0004]: non-exhaustive patterns: `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
  --> $DIR/empty-match.rs:164:24
   |
LL |     match_guarded_arm!(NonEmptyEnum5::V1);
   |                        ^^^^^^^^^^^^^^^^^ patterns `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
   |
note: `NonEmptyEnum5` defined here
  --> $DIR/empty-match.rs:49:6
   |
LL | enum NonEmptyEnum5 {
   |      ^^^^^^^^^^^^^
   = note: the matched value is of type `NonEmptyEnum5`
   = note: match arms with guards don't count towards exhaustivity
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown, or multiple match arms
   |
LL ~             _ if false => {},
LL +             _ => todo!()
   |

error: aborting due to 23 previous errors

Some errors have detailed explanations: E0004, E0005.
For more information about an error, try `rustc --explain E0004`.