Handle errors explicitly #372
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First, this change updates database stats recording to return early if there is an error when creating instruments. Before, the resulting instrument was nil and RegisterCallback returned an error instead. Second, it adds oteltest.NewMetricProviderWithError to help with testing this behavior. It also documents panic behavior for Wrap function and removes non-idiomatic handleErr functions.
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First, this change updates database stats recording to return early if there is an error when creating instruments. Before, the resulting instrument was nil and RegisterCallback returned an error instead.
Second, it adds oteltest.NewMetricProviderWithError to help with testing this behavior.
It also documents panic behavior for Wrap function and removes non-idiomatic handleErr functions.