library;
import self as self;
import "dart:core" as core;
import "dart:isolate" as iso;

static field dynamic/dart.async::StreamSubscription* {null,other} subscription = null;
static method onData(dynamic/core::Object* {*} x) → void/Null {
  core::print(x);
  self::subscription.cancel();
}
static method main() → dynamic/Null {
  dynamic/core::String* {string} string = core::String::fromCharCode(65);
  dynamic/iso::ReceivePort* {other} port = iso::ReceivePort::•();
  self::subscription = port.listen(self::onData);
  port.sendPort.send(string);
}