File: mutual-struct-recursion.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 (49 lines) | stat: -rw-r--r-- 1,181 bytes parent folder | download | duplicates (3)
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
error[E0072]: recursive types `A` and `B` have infinite size
  --> $DIR/mutual-struct-recursion.rs:1:1
   |
LL | struct A<T> {
   | ^^^^^^^^^^^
...
LL |     y: B<T>,
   |        ---- recursive without indirection
...
LL | struct B<T> {
   | ^^^^^^^^^^^
LL |     z: A<T>
   |        ---- recursive without indirection
   |
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle
   |
LL ~     y: Box<B<T>>,
LL | }
LL |
LL | struct B<T> {
LL ~     z: Box<A<T>>
   |

error[E0072]: recursive types `C` and `D` have infinite size
  --> $DIR/mutual-struct-recursion.rs:11:1
   |
LL | struct C<T> {
   | ^^^^^^^^^^^
...
LL |     y: Option<Option<D<T>>>,
   |                      ---- recursive without indirection
...
LL | struct D<T> {
   | ^^^^^^^^^^^
LL |     z: Option<Option<C<T>>>,
   |                      ---- recursive without indirection
   |
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle
   |
LL ~     y: Option<Option<Box<D<T>>>>,
LL | }
LL |
LL | struct D<T> {
LL ~     z: Option<Option<Box<C<T>>>>,
   |

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0072`.