/*
 * The MIT License (MIT)
 * Copyright (C) 2024 Huawei Device Co., Ltd.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 */

pub(crate) struct CleanupEnvHookData<T: 'static> {
  pub(crate) data: T,
  pub(crate) hook: Box<dyn FnOnce(T)>,
}

/// Created by `Env::add_env_cleanup_hook`
/// And used by `Env::remove_env_cleanup_hook`
#[derive(Clone, Copy)]
pub struct CleanupEnvHook<T: 'static>(pub(crate) *mut CleanupEnvHookData<T>);