Go comes with many handy data structures that can help you store your own data, including arrays, slices, and maps. The most important task that you should be able to perform on any data structure is accessing all of its elements in some way. The second important task is having direct access to a specific element once you know its index or key. The last two equally important tasks are inserting elements and deleting elements from data structures. Once you know how to perform these four tasks, you will have complete control over the data structure.
Go data structures
Arrays
Arrays are the most popular data structure due to their speed and are supported by almost all programming languages. You can declare an array in Go as follows...