pubsub_bus/
shared.rs

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// *************************************************************************
//
// Copyright (c) 2025 Andrei Gramakov. All rights reserved.
//
// This file is licensed under the terms of the MIT license.
// For a copy, see: https://opensource.org/licenses/MIT
//
// site:    https://agramakov.me
// e-mail:  mail@agramakov.me
//
// *************************************************************************
use std::sync::{Arc, Mutex};

#[cfg(test)]
mod tests;

pub type Shared<ContentType> = Arc<Mutex<ContentType>>;

/// Convenience trait to add `into_shared()` to any type
pub trait IntoShared<ContentType> {
    fn into_shared(self) -> Shared<ContentType>;
}

impl<ContentType> IntoShared<ContentType> for ContentType {
    fn into_shared(self) -> Shared<ContentType> {
        Arc::new(Mutex::new(self))
    }
}

/// Trait to provide a `with` method for `Shared<ContentType>`
pub trait With<ContentType> {
    fn with<F>(&mut self, f: F)
    where
        F: FnOnce(&mut ContentType);
}

impl<ContentType> With<ContentType> for Shared<ContentType> {
    fn with<F>(&mut self, f: F)
    where
        F: FnOnce(&mut ContentType),
    {
        let mut shared = self.lock().unwrap();
        f(&mut shared);
    }
}