mirror of
https://github.com/golang/go
synced 2024-11-05 18:36:08 +00:00
18 lines
288 B
Go
18 lines
288 B
Go
|
package main
|
||
|
|
|
||
|
|
// fib returns a function that returns
|
||
|
|
// successive Fibonacci numbers.
|
||
|
|
func fib() func() int {
|
||
|
|
a, b := 0, 1
|
||
|
|
return func() int {
|
||
|
|
a, b = b, a+b
|
||
|
|
return a
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
f := fib()
|
||
|
|
// Function calls are evaluated left-to-right.
|
||
|
|
println(f(), f(), f(), f(), f())
|
||
|
|
}
|