What is the purpose of interfaces in Go programming?

  • To define the structure of data types.
  • To create instances of objects.
  • To enable code reusability.
  • To specify the memory layout of variables.
The primary purpose of interfaces in Go is to enable code reusability and achieve polymorphism. They allow you to write code that can work with different types as long as they satisfy the interface contract. This promotes flexibility in your codebase, making it easier to swap implementations and extend functionality. Interfaces also facilitate testing and mocking, as you can create custom implementations that conform to the same interface. This promotes clean, modular, and maintainable code in Go.
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