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@effect-ts/system

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Effect-TS is a zero dependency set of libraries to write highly productive, purely functional TypeScript at scale.

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// ets_tracing: off import * as O from "../Option/index.js" import { succeed } from "./core.js" import type { UIO } from "./effect.js" /** * Returns an effect with the empty value. */ export const none: UIO<O.Option<never>> = succeed(O.none)