]> git.lizzy.rs Git - rust.git/blob - src/test/ui/issues/issue-17431-4.stderr
On recursive ADT, provide indirection structured suggestion
[rust.git] / src / test / ui / issues / issue-17431-4.stderr
1 error[E0072]: recursive type `Foo` has infinite size
2   --> $DIR/issue-17431-4.rs:3:1
3    |
4 LL | struct Foo<T> { foo: Option<Option<Foo<T>>>, marker: marker::PhantomData<T> }
5    | ^^^^^^^^^^^^^        ---------------------- recursive without indirection
6    | |
7    | recursive type has infinite size
8    |
9 help: insert some indirection to make `Foo` representable
10    |
11 LL | struct Foo<T> { foo: Box<Option<Option<Foo<T>>>>, marker: marker::PhantomData<T> }
12    |                      ^^^^                      ^
13 LL | struct Foo<T> { foo: Rc<Option<Option<Foo<T>>>>, marker: marker::PhantomData<T> }
14    |                      ^^^                      ^
15 LL | struct Foo<T> { foo: &Option<Option<Foo<T>>>, marker: marker::PhantomData<T> }
16    |                      ^
17
18 error: aborting due to previous error
19
20 For more information about this error, try `rustc --explain E0072`.