import * as Effect from "effect/Effect";

export type IsAny<T> = 0 extends 1 & T ? true : false;

export type UnionToIntersection<U> = (
  U extends any ? (k: U) => void : never
) extends (k: infer I) => void
  ? I
  : never;

export const assertDefined = <T>(value: T | undefined, message: string): T => {
  if (!value) {
    throw new Error(message);
  }
  return value;
};

export const asEffect = <T, Err = never, Req = never>(
  effect: T | Effect.Effect<T, Err, Req>,
): Effect.Effect<T, Err, Req> =>
  Effect.isEffect(effect) ? effect : Effect.succeed(effect);