mirror of
https://github.com/crazybber/awesome-patterns.git
synced 2024-11-22 04:36:02 +03:00
39 lines
533 B
Go
39 lines
533 B
Go
package main
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import "fmt"
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type Memoized func(int) int
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var fibMem = Memoize(fib)
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func Memoize(mf Memoized) Memoized {
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cache := make(map[int]int)
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return func(key int) int {
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if val, found := cache[key]; found {
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return val
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}
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temp := mf(key)
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cache[key] = temp
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return temp
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}
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}
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func FibMemoized(n int) int {
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return fibMem(n)
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}
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func fib(x int) int {
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if x == 0 {
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return 0
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} else if x <= 2 {
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return 1
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} else {
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return fib(x-2) + fib(x-1)
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}
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}
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func main() {
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fmt.Println(fib(30))
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fmt.Println(FibMemoized(30))
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}
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