replaceLast method
T?
replaceLast(
- T element
替换最后一个的元素, 并发射
Implementation
T? replaceLast(T element) {
if (_subject.isClosed) {
L.w('IO在close状态下请求发送数据');
return null;
}
final copied = List.of(latest);
if (latest.isNotEmpty) {
_subject.add(copied
..replaceRange(
copied.length - 1,
copied.length,
[element],
));
}
return element;
}