An `optional` type can either be `(some value)` or `none`. This is used to handle situations where a result is uncertain, like looking up a key in a map.
clarity (some u10) none
Handling values that might not exist.
An `optional` type can either be `(some value)` or `none`. This is used to handle situations where a result is uncertain, like looking up a key in a map.
clarity (some u10) none
1. What type is returned by map-get?!