< > BotCompany Repo | #1011781 // first_sync function - first() with synchronize

JavaX fragment (include)

static <A> A first_sync(L<A> list) {
  synchronized(list) {
    ret empty(list) ? null : list.get(0);
  }
}

static <A> A first_sync(Iterable<A> i) {
  if (i == null) null;
  synchronized(i) {
    Iterator<A> it = i.iterator();
    ret it.hasNext() ? it.next() : null;
  }
}

Author comment

Began life as a copy of #1000628

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