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Core contracts and executor for without: the sans-IO stream-processor substrate.

Project description

without

The narrow waist of the project: the contracts every plugin speaks, plus the stream connectors and a with-scoped background task helper.

Three types carry the whole model (without.contracts):

  • A Stream[T] is an asynchronous sequence of values: the one shape every connection takes, whoever does the I/O.
  • A Processor[In, Out] transforms a stream of inputs into a stream of outputs: the only node type, and the only thing a user writes.
  • A Context[T] is a stream viewed as its latest sampled value: current() reads the latest and never blocks.

Processors are built, not subclassed, from a 2×2 of builders (from_map, from_scan, from_sink, from_fold) and connected with a small wiring vocabulary (compose, sample, and the source/terminal adapters).

See PHILOSOPHY.md for why the model is shaped this way, and the without guide (with the API reference) for the full surface.

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