In this article, we will go over the concept of a “slice” which is an important data structure used in Golang. A slice is a data structure that provides a way for you to work with — and manage collections of — data. Slices are built around the concept of dynamic arrays that can grow and shrink as you see fit.

• Slices are dynamic in terms of growth because they have their own built-in function called append which can grow a slice quickly and efficiently.
• You can also reduce the size of a slice by slicing out a part of the underlying memory.
• Slices give you all the benefits of indexing, iteration, and garbage collection optimizations because the underlying memory is allocated in contiguous blocks.

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