Other ways to deal with “loop initialization” in C#

Question

To start with I\'ll say that I agree that goto statements are largely made irrelevant by higher level constructs in modern programming languages and shouldn\'t be used when

Answer 1

Why don't move dealing with first element outside a loop ?

StringBuilder sb = new StrindBuilder()
sb.append(array.first)
foreach (var elem in array.skip(1)) {
  sb.append(",")
  sb.append(elem)
}