@memoized について

CaclFibo.groovy

@Memoized
def fibo(n) {
    def result = (n == 0 || n == 1) ? 1G : fibo(n - 2) + fibo(n - 1)
    println "$n: $result"

    result
}

println "result:" + fibo(5)

result with memoized

1: 1
0: 1
2: 2
3: 3
4: 5
5: 8
result:8

result without memoized

1: 1
0: 1
1: 1
2: 2
3: 3
0: 1
1: 1
2: 2
1: 1
0: 1
1: 1
2: 2
3: 3
4: 5
5: 8
result:8