error: incorrect close delimiter: `}`
  --> $DIR/token-error-correct-3.rs:19:9
   |
LL |         if !is_directory(path.as_ref()) {
   |                                         - close delimiter possibly meant for this
LL |             //~^ ERROR cannot find function `is_directory`
LL |             callback(path.as_ref();
   |                     - un-closed delimiter
...
LL |         } else {
   |         ^ incorrect close delimiter

error: expected one of `)`, `,`, `.`, `?`, or an operator, found `;`
  --> $DIR/token-error-correct-3.rs:15:35
   |
LL |             callback(path.as_ref();
   |                                   ^ expected one of `)`, `,`, `.`, `?`, or an operator here

error[E0425]: cannot find function `is_directory` in this scope
  --> $DIR/token-error-correct-3.rs:13:13
   |
LL |         if !is_directory(path.as_ref()) {
   |             ^^^^^^^^^^^^ not found in this scope

error[E0057]: this function takes 1 parameter but 2 parameters were supplied
  --> $DIR/token-error-correct-3.rs:15:13
   |
LL | /             callback(path.as_ref();
LL | |             //~^ ERROR expected one of
LL | |             //~| ERROR this function takes 1 parameter but 2 parameters were supplied
LL | |             fs::create_dir_all(path.as_ref()).map(|()| true)
LL | |         } else {
   | |_________^ expected 1 parameter

error: aborting due to 4 previous errors

Some errors occurred: E0057, E0425.
For more information about an error, try `rustc --explain E0057`.