txmap 2.1.1

A concurrent transactional hash map for Rust with fine-grained locking, internal mutability and composable transactions
Documentation 
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use crate::lock_policies::lock_policy::LockPolicy;
use parking_lot::RwLock;

pub struct RwLockPolicy;

impl LockPolicy for RwLockPolicy {
    type Lock<T> = RwLock<T>;

    type ReadGuard<'guard, T>
        = parking_lot::RwLockReadGuard<'guard, T>
    where
        Self: 'guard,
        T: 'guard;

    type WriteGuard<'guard, T>
        = parking_lot::RwLockWriteGuard<'guard, T>
    where
        Self: 'guard,
        T: 'guard;

    fn new<T>(value: T) -> Self::Lock<T> {
        RwLock::new(value)
    }

    fn read<'lock, T>(lock: &'lock Self::Lock<T>) -> Self::ReadGuard<'lock, T> {
        lock.read()
    }

    fn write<'lock, T>(lock: &'lock Self::Lock<T>) -> Self::WriteGuard<'lock, T> {
        lock.write()
    }
}