Anonymous function in Go Language

An anonymous function is a function that doesn’t have a name. It is useful when you want to create an inline function. In Go, an anonymous function can also form a closure. An anonymous function is also known as a function literal.

Example

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Syntax:

func(parameter_list)(return_type) {
 // code..

 // Use return statement if return_type is given
 // if return_type is not given, then do not 
 // use return statement
 return
}()

Assigning to a Variable

You can assign an anonymous function to a variable. This variable can then be called like a regular function.

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Passing Arguments

Anonymous functions can accept arguments.

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Passing as Arguments

You can also pass an anonymous function as an argument to another function.

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Returning Anonymous Functions

You can return an anonymous function from another function.

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Conclusion

Anonymous functions in Go are versatile and powerful. They can be used for creating inline functions, closures, and even for passing and returning functions. Understanding how to use them effectively can greatly enhance your programming in Go.