Function effect

packages/effect/src/internal/stm/core.ts:639–641

(
  f: (journal: Journal.Journal, fiberId: FiberId.FiberId, environment: Context.Context<R>) => A
)

/** @internal */
export const effect = <R, A>(
  f: (journal: Journal.Journal, fiberId: FiberId.FiberId, environment: Context.Context<R>) => A
): STM.STM<A, never, R> => withSTMRuntime((_) => succeed(f(_.journal, _.fiberId, _.getEnv())))

/** @internal */
export const ensuring = dual<