@effect-ts/system/FiberRef/getAndSet.d.ts

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

/**
 * Atomically sets the value associated with the current fiber and returns
 * the old value.
 */
export declare const getAndSet: <A>(a: A) => <EA, EB>(fiberRef: import("./fiberRef.js").XFiberRef<EA, EB, A, A>) => import("./excl-effect.js").IO<EA | EB, A>;
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