Usage
Signature:
abstract class KeySet<K>
Generic Parameters
Parameter Description K Type of Key
Typescript Import Format
//To import this class, use the format below.
import {KeySet} from "ojs/ojkeyset";
For additional information visit:
The base class for KeySetImpl and AllKeySetImpl. Represents an immutable set of keys.
Methods
-
(abstract) add(keys: Set<K>|Array<K>): KeySet<K>
-
Returns a new KeySet based on this set with the specified keys included.
Parameters:
Name Type Description keys
Set | Array a set of keys to add to this KeySet. Returns:
a new KeySet with the specified keys included.
- Type
- KeySet
-
(abstract) addAll(): KeySet<K>
-
Returns a new KeySet that signals all keys are added to this set.
Returns:
a new KeySet that signals all keys are added to this set.
- Type
- KeySet
-
(abstract) clear(): KeySet<K>
-
Returns a new KeySet containing no keys.
Returns:
a new KeySet with no keys.
- Type
- KeySet
-
(abstract) delete(keys: Set<K>|Array<K>): KeySet<K>
-
Returns a new KeySet based on this set with the specified keys excluded.
Parameters:
Name Type Description keys
Set | Array a set of keys to remove from this KeySet. Returns:
a new KeySet with the specified keys excluded.
- Type
- KeySet
-
(abstract) has(key) : {boolean}
-
Returns whether the specified key is contained in this set.
Parameters:
Name Type Description key
K the key to check whether it is contained in this set. Returns:
true if the specified key is contained in this set, false otherwise.
- Type
- boolean
-
(abstract) isAddAll : {boolean}
-
Returns whether this set should include all keys.
Returns:
true if this set should include all keys, false otherwise.
- Type
- boolean