Explain a scenario where the use of mutexes is essential in a Go program.
- When multiple goroutines access a shared data structure concurrently.
- When goroutines don't need to synchronize access.
- When channels are used for communication.
- When global variables are preferred.
Mutexes are essential in a Go program when multiple goroutines access a shared data structure concurrently. Without mutexes, race conditions may occur, leading to data corruption and unpredictable behavior. Mutexes provide a way to protect critical sections of code, ensuring that only one goroutine can access the shared resource at a time. This guarantees data integrity and is crucial in scenarios where data consistency is paramount.
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