| error[E0308]: mismatched types | |
| --> $DIR/issue-90213-expected-boxfuture-self-ice.rs:9:19 | |
| | | |
| LL | Self::foo(None) | |
| | --------- ^^^^ expected `Box<Option<S>>`, found `Option<_>` | |
| | | | |
| | arguments to this function are incorrect | |
| | | |
| = note: expected struct `Box<Option<S>>` | |
| found enum `Option<_>` | |
| = note: for more on the distinction between the stack and the heap, read https://doc.rust-lang.org/book/ch15-01-box.html, https://doc.rust-lang.org/rust-by-example/std/box.html, and https://doc.rust-lang.org/std/boxed/index.html | |
| note: associated function defined here | |
| --> $DIR/issue-90213-expected-boxfuture-self-ice.rs:7:8 | |
| | | |
| LL | fn foo(_: Box<Option<S>>) {} | |
| | ^^^ ----------------- | |
| help: store this in the heap by calling `Box::new` | |
| | | |
| LL | Self::foo(Box::new(None)) | |
| | +++++++++ + | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0308`. |