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The [] operator is called an indexer. You can provide indexers that take an integer, a string, or any other type you want to use as a key. The syntax is straightforward, following the same principles as property accessors. For example, in your case where an int is the key or index: public int this[int index] { get => GetValue(index); }
14 lis 2023 · Indexes and ranges provide clear, concise syntax to access a single element or a range of elements in a sequence. An index expression typically returns the type of the elements of a sequence. A range expression typically returns the same sequence type as the source sequence.
16 kwi 2019 · The .. operator specifies the start and end of a range of indices as its operands. The left-hand operand is an inclusive start of a range. The right-hand operand is an exclusive end of a range. Either of operands can be an index from the start or from the end of a sequence. [a..] is equivalent to a..^0.
23 sie 2024 · Learn how to declare and use an indexer for a class, struct, or interface in C#. This article includes example code.
24 kwi 2024 · A comprehensive and concise presentation of the Index and Range C# operators introduced with C#8. Based on code examples.
13 lip 2023 · An indexer allows an instance of a class or struct to be indexed as an array. If the user will define an indexer for a class, then the class will behave like a virtual array. Array access operator i.e ([ ]) is used to access the instance of the class which uses an indexer.
24 kwi 2019 · Indexers allow instances of a class to be indexed just like arrays, and are declared similarly to methods. They can be useful when working with your own collection class. Let's learn how to define and work with indexers.
