import { Sequence } from '../../core';
import { compose } from '../../../../helper/compose';

compose(Sequence, class <a, z> extends Sequence<a, z> {
  public override bind<b>(f: (a: a) => Sequence<b, unknown>): Sequence<b, [Sequence.Iterator<Sequence<b, unknown>>, Sequence.Iterator<b>]> {
    return Sequence.concat(this.fmap(f));
  }
});