> I have been writing production applications in Go for a few years now.
sorry, what?
https://gaultier.github.io/blog/a_million_ways_to_data_race_...
this code is obviously wrong, fractally wrong
why would you create a new PricingService for every request? what makes you think a mutex in each of those (obviously unique) PricingService values would somehow protect the (inexplicably shared) PricingInfo value??
> the fix
https://gaultier.github.io/blog/a_million_ways_to_data_race_...
what? this is in no way a fix to the problem.
it's impossible to believe the author's claims about their experience in the language, this is just absolute beginner stuff..