Answer: 0231 🦀

0 gets dropped at the end of its statement.

1 will last to the end of the main scope.

2 is assigned to the underscore pattern making it temporary, and gets dropped at the end of the statement.

3 is treated as a value; the underscore prefix allows the unused… twitter.com/i/web/status/16668…

QT orhunp_: 🦀 #rustlang quiz

what is the output of this program?