Go Closure

Here, we create an anonymous function which acts as a function closure. A function which has no name is called anonymous function.

A closure is a function which refers reference variable from outside its body. The function may access and assign to the referenced variables.

Go Closure Example

package main
import (
   "fmt"
)
func main() {
   number := 10
      squareNum := func() (int){
      number *= number
      return number
   }
   fmt.Println(squareNum())
   fmt.Println(squareNum())
}

Output:

100
10000

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