Last active
June 29, 2024 22:04
-
-
Save weppos/7843653 to your computer and use it in GitHub Desktop.
A Tour of Go Exercise: Fibonacci closure
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package main | |
import "fmt" | |
// fibonacci is a function that returns | |
// a function that returns an int. | |
func fibonacci() func() int { | |
f2, f1 := 0, 1 | |
return func() int { | |
f := f2 | |
f2, f1 = f1, f+f1 | |
return f | |
} | |
} | |
func main() { | |
f := fibonacci() | |
for i := 0; i < 10; i++ { | |
fmt.Println(f()) | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
two things:
defer
never crossed my mind, so when I saw that solution it was anahá moment
🤯Function closures
(link) and thedefer
statement, imho it's way simpler to read: