My point is Golang doesn't have a very safe type system.
It's better than plain JS, but if valuearb really wants to experience type saftey, they should look somewhere other than Golang. Swift, which they also brought up, would be a much better choice.
I'm afraid to try Swift on the server. On one hand I love it and am very productive in it. On the other hand, if I build anything commercial out of it have I coded myself into a trap? How easy is it to use Mongo, or some real database? How much open source code is out there to help build web servers with restful APIs?
It's better than plain JS, but if valuearb really wants to experience type saftey, they should look somewhere other than Golang. Swift, which they also brought up, would be a much better choice.