15 lines
346 B
Plaintext
15 lines
346 B
Plaintext
#![feature(conservative_impl_trait)]
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fn main() {
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for num in fibonacci_gen(10) {
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println!("{}", num);
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}
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}
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fn fibonacci_gen(terms: i32) -> impl Iterator<Item=u64> {
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let sqrt_5 = 5.0f64.sqrt();
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let p = (1.0 + sqrt_5) / 2.0;
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let q = 1.0/p;
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(1..terms).map(move |n| ((p.powi(n) + q.powi(n)) / sqrt_5 + 0.5) as u64)
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}
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