| error[E0282]: type annotations needed | |
| --> $DIR/closure-in-array.rs:5:11 | |
| | | |
| LL | foo([|s| s.len()]) | |
| | ^ - type must be known at this point | |
| | | |
| help: consider giving this closure parameter an explicit type | |
| | | |
| LL | foo([|s: /* Type */| s.len()]) | |
| | ++++++++++++ | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0282`. |