How strange to think that, a mere week ago, the world had not yet heard my public pronouncement that transducers ought to be stateless. True, the media frenzy has died down a bit, but in its stead comes the quiet awareness that life will never be the same. Anyway, that's the way I like to think about it.
- Storing state in the transducer makes it mutable, which might be unfortunate on general principles. In any event, it interferes with the metaphor of transducers as recipes for transformation and arguably makes code more difficult to understand.
- A natural ...