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Solution to Golang tour Fibonacci closure exercise
// go tour fibonacci closure exercise solution
// https://tour.golang.org/moretypes/26
package main
import "fmt"
// fibonacci is a function that returns
// a function that returns an int.
func fibonacci() func() int {
a := 1
b := 0
return func() int {
a, b = b, a + b
return a
}
}
func main() {
f := fibonacci()
for i := 0; i < 10; i++ {
fmt.Println(f())
}
}
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