Indexing Operators

Learn how to implement and use indexing operators in D to enable array-style access and assignment on user-defined types. Understand opIndex, opIndexAssign, opIndexUnary, opIndexOpAssign, and opDollar to handle single and multi-dimensional indexing efficiently.

We'll cover the following...

- Use of indexing operators
- Indexing operators example

Use of indexing operators

opIndex, opIndexAssign, opIndexUnary, opIndexOpAssign, and opDollar make it possible to use indexing operators on user-defined types similar to arrays as in object[index].

Unlike arrays, these operators support multi-dimensional indexing as well. Multiple index values are specified as a comma-separated list inside the square brackets (e.g., object[index0, index1]). In the following examples, we will use these operators only with a single dimension and cover their multidimensional uses in the more ...

1.Introduction

2.Lifetimes, null Value and the is Operator

3.Type Conversions

4.Structs

5.Variable Number of Parameters

6.Function Overloading and Member Functions

7.Constructor and Other Special Functions

8.Operator Overloading

9.Introduction to Classes

10.Inheritance

11.The Object Class

12.Interfaces

13.destroy and scoped

14.Modules and Libraries

15.Encapsulation and Protection Attributes

16.UFCS, Properties and Contract Programming

17.Templates

18.Pragmas, alias and with

19.Pointers

20.Bit Operations

21.Conditional Compilation

22.Function Pointers, Delegates, and Lambdas

23.foreach with Structs and Classes

24.Unions, Labels, goto and Tuples

25.More Templates

26.More Functions

27.Mixins

28.Ranges

29.static foreach and Parallelism

30.Message Passing Concurrency

31.Data Sharing Concurrency

32.Fibers

33.Memory Management

34.User Defined Attributes (UDA) and Operator Precedence

35.Conclusion

Indexing Operators

Use of indexing operators