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Fittings Have Types<br />

An (α→ β)fitting is a pipeline component<br />

that consumes αs and produces βs.<br />

We compose them with the pipe:<br />

val (-|) : (α → β) fitting<br />

→ (β → γ) fitting<br />

→ (α → γ) fitting<br />

are made out of and transmit<br />

Shell pipelines Unix processes untyped bytes.<br />

Shcaml pipelines Shcaml fittings OCaml values.<br />

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