Getting the Size of an Array or Slice in Go (original) (raw)

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In this code snippet, we are going to look at how you can retrieve the length of a type in Go using the len function.

In this example, we define an a slice of type string which contains a number of famous scientists. Below this instantiation, we then call len(scientists) to retrieve the length of this slice which is then printed out for us.

Further Reading:

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• Adding Values to Slices in Go