1 error[E0277]: the size for values of type `Self` cannot be known at compilation time
2 --> $DIR/issue-27078.rs:15:12
4 LL | fn foo(self) -> &'static i32 {
5 | ^^^^ doesn't have a size known at compile-time
7 = help: the trait `std::marker::Sized` is not implemented for `Self`
8 = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
9 = help: consider adding a `where Self: std::marker::Sized` bound
10 = note: all local variables must have a statically known size
11 = help: unsized locals are gated as an unstable feature
13 error: aborting due to previous error
15 For more information about this error, try `rustc --explain E0277`.