zwfang/fib.go

Created December 7, 2018 14:25

Star (0) You must be signed in to star a gist
Fork (0) You must be signed in to fork a gist

Learn more about clone URLs
Clone this repository at <script src="https://gist.github.com/zwfang/ceb2d002b3a9662c8ef20735ec5a7d37.js"></script>
Save zwfang/ceb2d002b3a9662c8ef20735ec5a7d37 to your computer and use it in GitHub Desktop.

Download ZIP

Revisions

zwfang created this gist Dec 7, 2018.

fib.go

-Original file line number
+Diff line change
@@ -0,0 +1,23 @@
+    package main
+    import "fmt"
+    func fib() func() int64 {
+    	var i int64
+    	var j int64 = 1
+    	return func() int64 {
+    		i, j = j, i+j
+    		return i
+    	}
+    }
+    func main() {
+    	a := fib()
+    	pre := (float64)(a())
+    	for k := 1; k < 50; k++ {
+    		cur := (float64)(a())
+    		fmt.Println(pre / cur)
+    		pre = cur
+    	}
+    }