All files / seq/generator fibonacci.ts

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import {Gen, Seq} from 'fnxt/fnxt-types';
import {toSequence} from '../build';
 
 
function* gen_fib(): Gen<number> {
  let a = 0;
  let b = 1;
  while (true) {
    yield a;
    {
      [b, a] = [a + b, b];
    }
  }
}
 
export const fibonacci = (): Seq<number> =>
  toSequence(() => gen_fib());