Here is a dumb version, that wastes loads of memory.
func reverse(in string) string {
out := strings.Builder{}
out.Grow(len(in))
runes:= make([]rune, 0, len(in))
for _, r := range in {
runes = append(runes, r)
}
for i := len(runes) -1; i >= 0; i-- {
out.WriteRune(runes[i])
}
return out.String()
}
On Saturday, 15 February 2020 16:37:15 UTC, Amarjeet Anand wrote:
>
> Hi
>
> I was wondering why isn't there built-in string reverse function. Is it
> left intentionally because of some reason?
>
> Although strings are immutable in go, there are multiple ways to achieve
> this pretty easily. But having this function inbuilt will save our time
> because we need it quite often.
>
>
>
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