Clarify concurrency limitations? about goleveldb HOT 5 CLOSED

Glad I found this. I read elsewhere that the convention in Go is that things aren't goroutine-safe unless explicitly mentioned, or is a package-level function/instance.

The main README could mention "goroutine-safe unless noted otherwise".

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@libeclipse added

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The documentation only mentions goroutine-safeness to say that an iterator is not. Is everything else (i.e. concurrent Put()s from separate routines are fine etc)? It would be nice if this was explicitly documented somewhere.

It is goroutine-safe unless noted otherwise.

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Awesome, thanks.

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@syndtr Along what @jaekwon said, I agree that the README.md should mention the concurrency guidelines.

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