Created
June 2, 2013 09:38
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A Tour of Go: Fibonacci closure solution
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package main | |
import "fmt" | |
// fibonacci is a function that returns | |
// a function that returns an int. | |
func fibonacci() func() int { | |
a,b := 0,1 | |
return func() int{ | |
res := a | |
tmp := b+a | |
a, b = b,tmp | |
return res | |
} | |
} | |
func main() { | |
f := fibonacci() | |
for i := 0; i < 10; i++ { | |
fmt.Println(f()) | |
} | |
} |
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Ok, no need for a temp var and can be further compacted