import type { Transducer } from "./api.js" ; /**
 * No-op / pass-through transducer, essentially the same as:
 * `map((x) => x)`, but faster. Useful for testing and / or to keep
 * existing values in a  {@link (multiplex:1)} tuple lane.
  export const noop = < T > ( ) : Transducer < T , T > => ( rfn ) => rfn ;