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- #![allow(unreachable_code)]
- fn main() {
- println!("{:?}", {
- fn foo() -> impl Ord {} foo().cmp(foo())
- });
- }
- /* ~~~~=== stderr ===~~~~
- Compiling playground v0.0.1 (file:///playground)
- error[E0308]: mismatched types
- --> src/main.rs:6:43
- |
- 6 | fn foo() -> impl Ord {} foo().cmp(foo())
- | ^^^^^
- | |
- | expected reference, found anonymized type
- | help: consider borrowing here: `&foo()`
- |
- = note: expected type `&impl std::cmp::Ord`
- found type `impl std::cmp::Ord`
- error: aborting due to previous error
- For more information about this error, try `rustc --explain E0308`.
- error: Could not compile `playground`.
- To learn more, run the command again with --verbose.
- */
- /* ~~~~=== stdout ===~~~~
- */
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