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Three ways to think about Go channels
Blog for DoltHub, a website hosting databases made with Dolt, an open-source version-controlled SQL database with Git-like semantics.
But alternatives to channels can disagree with the Golang runtime in ways that make source code clunky and hamper performance. If we know the amount of work ahead of time and are unconcerned with errors, wait groups block a main process until a fixed set of concurrent threads finish: And lastly, channels usually abstract details that that make developers lives easier in a way that is also more performant than other concurrency options.
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