golang closure

golang closure

package main

import "fmt"

func intSeq() []func() int {
	i := 0
	var result = make([]func() int, 10)
	for ; i < 10; i++ {
		result[i] = func() int {
			i += 1
			return i
		}
	}
	return result 

}

func intSeq2() func() int {
    i := 0
    return func() int {
        i += 1
        return i
    }
}

func main() {
	funcs := intSeq()
	for _,f := range funcs{
		fmt.Println(f())
	}
	
	fmt.Println("func2--------")
	f2 := intSeq2()
	for i:=0; i<10; i++{
		fmt.Println(f2())	
	}
	f3 := intSeq2()
	fmt.Println(f3())
	fmt.Println("Hello, playground")
}