R using()

in lib/src/arena.dart [119:135]

• 17 lines of code
• 3 McCabe index (conditional complexity)

R using<R>(R Function(Arena) computation,
    [Allocator wrappedAllocator = calloc]) {
  final arena = Arena(wrappedAllocator);
  bool isAsync = false;
  try {
    final result = computation(arena);
    if (result is Future) {
      isAsync = true;
      return (result.whenComplete(arena.releaseAll) as R);
    }
    return result;
  } finally {
    if (!isAsync) {
      arena.releaseAll();
    }
  }
}