< > BotCompany Repo | #1011007 // ai_first - get first element of list, note if list has multiple elements

JavaX fragment (include)

static <A> A ai_first(Collection<A> l) {
  if (empty(l)) null;
  Iterator<A> it = l.iterator();
  A a = it.next();
  if (it.hasNext()) warn("Choosing first element of multiple");
  ret a;
}

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