Module rwlock

A lock that provides data access to either one writer or many readers.

Structs

• RwLock
  A lock that provides data access to either one writer or many readers.
• RwLockReadGuard
  A guard that provides immutable data access.
• RwLockUpgradableGuard
  A guard that provides immutable data access but can be upgraded to RwLockWriteGuard.
• RwLockWriteGuard
  A guard that provides mutable data access.