 | RankedDictionaryTKey, TValueItem Property |
Gets or sets the value associated with the supplied key.
Namespace: Kaos.Collections
Assembly: KaosCollections (in KaosCollections.dll) Version: 4.2.0.0
SyntaxC#
public TValue this[ TKey key ] { get; set; }
Parameters
- key
- Type: TKey
The key of the value to get or set.
Return Value
Type: TValueValue associated with the supplied key.
Implements
IDictionaryTKey, TValueItemTKeyIReadOnlyDictionaryTKey, TValueItemTKey
Exceptions| Exception | Condition |
|---|---|
| ArgumentNullException | When key is null. |
| KeyNotFoundException | When getting a value and key was not found. |
RemarksSetting a value for a non-existent key performs an add operation. To get a value for a supplied index, use the ElementAt(Int32) method.
This is a O(log n) operation for both getting and setting.
Examples
The below snippet is part of a larger example of the
RankedDictionaryTKey, TValueclass.
C#
// The indexer can be used to change the value associated with a key. cc["RU"] = "Russian Federation"; // The indexer can be used to get a value for a key. Console.WriteLine ($"For key = 'RU', value = {cc["RU"]}."); // If a key does not exist, setting the indexer for that key // adds a new key/value pair. cc["SS"] = "South Sudan";
See Also