Explain a scenario where the copy function would be crucial in Go.

  • When you want to create an independent copy of a slice to avoid modifying the original data unintentionally.
  • When you want to concatenate two slices.
  • When you want to initialize a slice with default values.
  • When you want to resize a slice.
The copy function in Go is crucial when you need to create an independent copy of a slice to avoid unintentional modification of the original data. In some scenarios, you may want to manipulate a copy of the data while preserving the integrity of the original slice. This is essential in situations where you need to perform operations on a slice without affecting the original data, such as when working with concurrent code or implementing undo functionality.
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