The string type is utf8. Actually its not guaranteed to be UTF-8, only a sequence of bytes with some convenience methods: https://golang.org/ref/spec#String_ty

The string type is utf8. Actually its not guaranteed to be UTF-8, only a sequence of bytes with some convenience methods: https://golang.org/ref/spec#String_types https://golang.org/ref/spec#String_types However, the existence of the 'strings' package and the 'range' operator give the impression that all strings are UTF-8.