@effect-ts/system/_src/Effect/union.ts

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

// ets_tracing: off

import type { _A, _E, _R } from "../Utils/index.js"
import type { Effect } from "./effect.js"

/**
 * Compact the union produced by the result of f
 *
 * @ets_optimize identity
 */
export function unionFn<ARGS extends any[], Ret extends Effect<any, any, any>>(
  _: (...args: ARGS) => Ret
): (...args: ARGS) => Effect<_R<Ret>, _E<Ret>, _A<Ret>> {
  return _ as any
}

/**
 * Compact the union
 *
 * @ets_optimize identity
 */
export function union<Ret extends Effect<any, any, any>>(
  _: Ret
): Effect<_R<Ret>, _E<Ret>, _A<Ret>> {
  return _ as any
}