isUnused method
Implementation
bool isUnused() {
if (_isDone) {
return true;
}
if (_refCnt > 0) {
return false;
}
final s = stat;
return s.numStreamsInbound == 0 &&
s.numStreamsOutbound == 0 &&
s.numConnsInbound == 0 &&
s.numConnsOutbound == 0 &&
s.numFD == 0 &&
s.memory == 0;
}