755     unsafe fn upgradable_guard(&self) -> RwLockUpgradableReadGuard<'_, R, T> {  in upgradable_guard()
756         RwLockUpgradableReadGuard {  in upgradable_guard()
772     pub fn upgradable_read(&self) -> RwLockUpgradableReadGuard<'_, R, T> {  in upgradable_read()
786     pub fn try_upgradable_read(&self) -> Option<RwLockUpgradableReadGuard<'_, R, T>> {  in try_upgradable_read()
807     ) -> Option<RwLockUpgradableReadGuard<'_, R, T>> {  in try_upgradable_read_for()
826     ) -> Option<RwLockUpgradableReadGuard<'_, R, T>> {  in try_upgradable_read_until()
1154     pub fn downgrade_to_upgradable(s: Self) -> RwLockUpgradableReadGuard<'a, R, T> {  in downgrade_to_upgradable()
1161         RwLockUpgradableReadGuard {  in downgrade_to_upgradable()
1268 pub struct RwLockUpgradableReadGuard<'a, R: RawRwLockUpgrade, T: ?Sized> {  struct
1274     for RwLockUpgradableReadGuard<'a, R, T>  argument
1278 impl<'a, R: RawRwLockUpgrade + 'a, T: ?Sized + 'a> RwLockUpgradableReadGuard<'a, R, T> {  impl
1334 impl<'a, R: RawRwLockUpgradeFair + 'a, T: ?Sized + 'a> RwLockUpgradableReadGuard<'a, R, T> {  impl
1389 impl<'a, R: RawRwLockUpgradeDowngrade + 'a, T: ?Sized + 'a> RwLockUpgradableReadGuard<'a, R, T> {  impl
1411 impl<'a, R: RawRwLockUpgradeTimed + 'a, T: ?Sized + 'a> RwLockUpgradableReadGuard<'a, R, T> {  implementation
1458 impl<'a, R: RawRwLockUpgrade + 'a, T: ?Sized + 'a> Deref for RwLockUpgradableReadGuard<'a, R, T> {  implementation
1466 impl<'a, R: RawRwLockUpgrade + 'a, T: ?Sized + 'a> Drop for RwLockUpgradableReadGuard<'a, R, T> {  implementation
1477     for RwLockUpgradableReadGuard<'a, R, T>
1485     for RwLockUpgradableReadGuard<'a, R, T>
1494     for RwLockUpgradableReadGuard<'a, R, T>