man, he's just joking...

My eyes (_)

too much Vodka my friend

это история ста одного далматина

Can you explain to me why it would be the best practice?

Wow! I's probably the best practice ever!

Hi this solution looks so interesting but i don't quite get the idea behind it. Can anyone explain what are n and max?

I think it is not safe to directly compare two float64 variables produced by math.Sqrt(float64(x)) and math.Floor(sqrt). You could get more details at this discussion on stack overflow regarding comparison two float numbers https://stackoverflow.com/questions/47969385/go-float-comparison

Это лучше чем 99 бутылок пива :)

is support CJK?

it goes till the end of the string n := len(str) which is redundant

too many magic numbers

Totally agree!
https://www.codewars.com/kata/reviews/5bd8685254529884330025b6/groups/5beaa2333db45873d00016f9
Thank you.

It doesn't work with non-ASCI strings.
Try this:

Expect(IsPalindrome("топот")).To(Equal(true))