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2016-01-04 21:13:44 +08:00 · 2016-01-04 21:13:44 +08:00 · 2a8feaa4a9
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 - [x] 9.3 Read/Write Mutexes: sync.RWMutex
 - [ ] 9.4 Memory Synchronization
 - [ ] 9.5 Lazy Initialization: sync.Once
- - [ ] 9.6 The Race Detector
+ - [x] 9.6 The Race Detector
 - [ ] 9.7 Example: Concurrent Non-Blocking Cache
 - [ ] 9.8 Goroutines and Threads
 - [x] Chapter 10: Packages and the Go Tool