Mercurial > lbo > hg > memoize
view examples/recursive.rs @ 47:3ed9875b9139
Add recursive example, rename other examples
author | Lewin Bormann <lbo@spheniscida.de> |
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date | Wed, 16 Dec 2020 08:19:04 +0100 |
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use memoize::memoize; #[memoize] fn fib(n: u64) -> u64 { if n < 2 { 1 } else { fib(n - 1) + fib(n - 2) } } #[memoize] fn fac(n: u64) -> u64 { if n < 2 { 1 } else { n * fac(n - 1) } } fn main() { let fibs = (0..21).map(fib).collect::<Vec<u64>>(); println!("fib([0,...,20]) = {:?}", fibs); let facs = (0..21).map(fac).collect::<Vec<u64>>(); println!("fac([0,...,20]) = {:?}", facs); }