Replies to message #5,069
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Programming thread
Most languages have it as try-finally, but this is typically paired with exceptions, which Go doesn't have.
Programming thread
It's useful for that, but at its core, it allows you to queue up tasks to run upon the scope wrapping up
Programming thread
It's the same core idea, but defer is more flexible since you can defer any function, including anonymous ones. You can see my chat client example...