来自下面显示的简单隔离代码的预期“Hello world”没有工作。
import 'dart:async';
import 'dart:isolate';
var mainReceivePort = new ReceivePort();
main() async {
await Isolate.spawn(hello, null);
await for (var msg in mainReceivePort) {
print(msg);
return;
}
}
hello(_) async {
var sendPort = mainReceivePort.sendPort;
sendPort.send("Hello world");
}
对代码进行以下更改时,它按预期工作
import 'dart:async';
import 'dart:isolate';
var mainReceivePort = new ReceivePort();
main() async {
await Isolate.spawn(hello, mainReceivePort.sendPort);
await for (var msg in mainReceivePort) {
print(msg);
return;
}
}
hello(sendPort) async {
sendPort.send("Hello world");
}
寻找线索。有什么想法吗?