Type Alias RwLockUpgradableReadGuard 

pub type RwLockUpgradableReadGuard<'a, T> = RwLockUpgradableReadGuard<'a, RawRwLock, T>;

👎Deprecated: The parkinglot feature has been renamed parking_lot

Upgradable Read guard for RwLock.

Aliased Type

pub struct RwLockUpgradableReadGuard<'a, T> { /* private fields */ }