File: unmatched-arg-and-hir-arg-issue-126385.stderr

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (34 lines) | stat: -rw-r--r-- 1,485 bytes parent folder | download | duplicates (2)
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
error[E0109]: type arguments are not allowed on self type
  --> $DIR/unmatched-arg-and-hir-arg-issue-126385.rs:9:37
   |
LL |     pub fn f(field: &[u32]) -> Self<u32> {
   |                                ---- ^^^ type argument not allowed
   |                                |
   |                                not allowed on self type
   |
note: `Self` is of type `MyStruct<'_>`
  --> $DIR/unmatched-arg-and-hir-arg-issue-126385.rs:4:12
   |
LL | pub struct MyStruct<'field> {
   |            ^^^^^^^^ `Self` corresponds to this type
...
LL | impl MyStruct<'_> {
   | ----------------- `Self` is on type `MyStruct` in this `impl`
help: the `Self` type doesn't accept type parameters, use the concrete type's name `MyStruct` instead if you want to specify its type parameters
   |
LL |     pub fn f(field: &[u32]) -> MyStruct<u32> {
   |                                ~~~~~~~~

error: lifetime may not live long enough
  --> $DIR/unmatched-arg-and-hir-arg-issue-126385.rs:10:9
   |
LL |     pub fn f(field: &[u32]) -> Self<u32> {
   |                     -          --------- return type is MyStruct<'2>
   |                     |
   |                     let's call the lifetime of this reference `'1`
LL |         Self { field }
   |         ^^^^^^^^^^^^^^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0109`.