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1 snippets
  • Example of closures in Golang

    package main
    import "fmt"
    // The function createCounter returns anonymous function defined within its body.
    // The returned function encapsulates the variable count, creating a closure.
    func createCounter() func() int {
    	count := 0
    	return func() int {
    		return count
    func main() {
        // We invoke createCounter, storing the result (a function) in counter variable.
        // This function captures and retains its own count value,
        // which updates with each subsequent invocation of createCounter.
    	counter := createCounter()
    	newCounter := createCounter()
    // $ go run main.go 
    // 1
    // 2
    // 3
    // 1

    A simple example of using closures in Go.