June 2018
Intermediate to advanced
280 pages
7h 46m
English
Content preview from Design Patterns and Best Practices in Java
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Examples
John McClean, the maintainer of cyclops-react, demos the usage of TCO that calculates numbers in the Fibonacci sequence at https://gist.github.com/johnmcclean/fb1735b49e6206396bd5792ca11ba7b2. The code is clean and simple to understand; it basically accumulates Fibonacci numbers starting from the initial states—a and b, f(0) = 0, f(1) = 1—and applying the f(n) = f(n-1) + f(n-2) functions:
importstatic cyclops.control.Trampoline.done;importstatic cyclops.control.Trampoline.more;import cyclops.control.Trampoline;publicclass Main { publicvoid fib() { for(int i=0;i<100_000;i++) System.out.println(fibonacci(i, 0l, 1l).get()); } public Trampoline<Long> fibonacci(Integer count, Long a, Long b) { return count==0 ? done(a) : more(()->fibonacci ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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