I just did this GO katas during my introduction to language, so for sure it is not a best practice. People just express their oppinions by giving these upvotes, don't take them as something serious.
Good luck on your journey with Go, since I've lost interest to it pretty quick.

Yeah, you are right I should have make it recursive if I called it this way.

Great solution. Clear, succinct, clever.
Sad that i didn't come up with solution using Stack

This one is from an experinced developer for sure! I laughed at first, but then i changed my oppinion. Nice one dude.

Pretty neat solution you've comed up with.