Function handle

packages/effect/src/unstable/cli/Command.ts:1017–1020

(
      input: NextInput,
      commandPath: ReadonlyArray<string>
    )

    })

    const handle = (
      input: NextInput,
      commandPath: ReadonlyArray<string>
    ) => impl.handle(input as Input, commandPath)

    return makeCommand({
      name: impl.name,