| error[E0308]: mismatched types |
| --> $DIR/closure-no-fn-1.rs:6:29 |
| | |
| LL | let foo: fn(u8) -> u8 = |v: u8| { a += v; a }; |
| | ------------ ^^^^^^^^^^^^^^^^^^^^^ expected fn pointer, found closure |
| | | |
| | expected due to this |
| | |
| = note: expected fn pointer `fn(u8) -> u8` |
| found closure `{closure@$DIR/closure-no-fn-1.rs:6:29: 6:36}` |
| note: closures can only be coerced to `fn` types if they do not capture any variables |
| --> $DIR/closure-no-fn-1.rs:6:39 |
| | |
| LL | let foo: fn(u8) -> u8 = |v: u8| { a += v; a }; |
| | ^ `a` captured here |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0308`. |