easy_fuser 0.4.5

A flexible and idiomatic Fuse implementation for Rust
Documentation 
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use std::ops::{Deref, DerefMut};

pub(crate) trait SafeBorrowable {
    type Guard<'a>: Deref + DerefMut
    where
        Self: 'a;

    fn safe_borrow_mut(&self) -> Self::Guard<'_>;
}

#[cfg(feature = "serial")]
mod safe_borrowable_impl {
    use super::*;

    use std::cell::{RefCell, RefMut};

    impl<T> SafeBorrowable for RefCell<T> {
        type Guard<'a>
            = RefMut<'a, T>
        where
            Self: 'a;

        fn safe_borrow_mut(&self) -> Self::Guard<'_> {
            self.borrow_mut()
        }
    }
}

#[cfg(all(feature = "parallel", not(feature = "deadlock_detection")))]
mod safe_borrowable_impl {
    use super::*;

    use std::sync::{Mutex, MutexGuard};

    impl<T> SafeBorrowable for Mutex<T> {
        type Guard<'a>
            = MutexGuard<'a, T>
        where
            Self: 'a;

        fn safe_borrow_mut(&self) -> Self::Guard<'_> {
            self.lock().unwrap()
        }
    }
}

#[cfg(all(feature = "parallel", feature = "deadlock_detection"))]
mod safe_borrowable_impl {
    use super::*;

    use parking_lot::{Mutex, MutexGuard};

    impl<T> SafeBorrowable for Mutex<T> {
        type Guard<'a>
            = MutexGuard<'a, T>
        where
            Self: 'a;

        fn safe_borrow_mut(&self) -> Self::Guard<'_> {
            self.lock()
        }
    }
}

#[cfg(any(feature = "async"))]
mod safe_borrowable_impl {
    use super::*;

    use tokio::sync::{Mutex, MutexGuard};

    impl<T> SafeBorrowable for Mutex<T> {
        type Guard<'a>
            = MutexGuard<'a, T>
        where
            Self: 'a;

        async fn safe_borrow_mut(&self) -> Self::Guard<'_> {
            self.lock().await
        }
    }
}