util/set.sh¶
Set collection.
- Set()¶
 Set collection.
- Set_add()¶
 Add an element to the set.
- Set_clear()¶
 Remove all elements from the set. Return (, 0) if successful; (, $EC) otherwise.
- Set_contains()¶
 Return true if the given value is in the set.
- Set_len()¶
 Size of the set.