File: fib.go

package info (click to toggle)
golang 2%3A1.6-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 60,232 kB
  • ctags: 121,778
  • sloc: asm: 36,876; ansic: 7,370; sh: 1,459; perl: 1,120; xml: 623; python: 286; yacc: 155; makefile: 89; cpp: 22; awk: 7
file content (19 lines) | stat: -rw-r--r-- 306 bytes parent folder | download | duplicates (38) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
package main

import "fmt"

// 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.
	fmt.Println(f(), f(), f(), f(), f())
}