30 lines
561 B
Go
30 lines
561 B
Go
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package main
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import "fmt"
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// fact function calls itself until it reaches the base case of fact(0)
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func fact(n int) int {
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if n == 0 {
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return 1
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}
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return n * fact(n-1)
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}
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func main() {
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fmt.Println(fact(7))
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// Closures can also be recursive, but this requires the closure to be declared with a typed var explicitly before it’s defined
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var fib func(n int) int
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// Go knows which function to call with fib as it is defined previously in main
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fib = func(n int) int {
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if n < 2 {
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return n
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}
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return fib(n-1) + fib(n-2)
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}
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fmt.Println(fib(7))
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}
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