error[E0308]: mismatched types
  --> $DIR/sugg-else-for-closure.rs:6:26
   |
LL |     let _s = y.unwrap_or(|| x.split('.').nth(1).unwrap());
   |                --------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&str`, found closure
   |                |
   |                arguments to this method are incorrect
   |
   = note: expected reference `&str`
                found closure `[closure@$DIR/sugg-else-for-closure.rs:6:26: 6:28]`
note: associated function defined here
  --> $SRC_DIR/core/src/option.rs:LL:COL
help: try calling `unwrap_or_else` instead
   |
LL |     let _s = y.unwrap_or_else(|| x.split('.').nth(1).unwrap());
   |                         +++++

error: aborting due to previous error

For more information about this error, try `rustc --explain E0308`.