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go
/
website
/
b2020690573d42ad59cf673388a1453ea3a966c4
/
.
/
_content
/
tour
/
moretypes
/
function-closures.go
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// +build OMIT
package main
import "fmt"
func adder() func(int) int {
sum := 0
return func(x int) int {
sum += x
return sum
}
}
func main() {
pos, neg := adder(), adder()
for i := 0; i < 10; i++ {
fmt.Println(
pos(i),
neg(-2*i),
)
}
}