Indeed I remember someone laying out some Go good practices (Rob Pike? Andrew Gerrand? damn can't recall) and "accept interfaces, return types" was definitely o

Indeed I remember someone laying out some Go good practices (Rob Pike? Andrew Gerrand? damn can't recall) and "accept interfaces, return types" was definitely one of them. Again, a rule of thumb that works very well in most (not all) cases, and, conversely, a code smell.