export interface Abort {
  readonly _tag: ExitTag.Abort
  readonly abortedWith: unknown
}

export interface Done<A> {
  readonly _tag: ExitTag.Done
  readonly value: A
}

export interface Interrupt {
  readonly _tag: ExitTag.Interrupt
}

export interface Raise<E> {
  readonly _tag: ExitTag.Raise
  readonly error: E
}

export type Cause<E> = Raise<E> | Abort | Interrupt

export type Exit<E, A> = Done<A> | Cause<E>

export const interrupt: Interrupt = ...

export function abort(a: unknown): Abort { ... }

export function done<A>(v: A): Done<A> { ... }

export function raise<E>(e: E): Raise<E> { ... }