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// Go supports // <a href="http://en.wikipedia.org/wiki/Recursion_(computer_science)"><em>recursive functions</em></a>. // Here's a classic factorial example. package main import "fmt" // This `fact` function calls itself until it reaches the // base case of `fact(0)`. func fact(n int) int { if n == 0 { return 1 } return n * fact(n-1) } func main() { fmt.Println(fact(7)) }