randomOneOrNull property
T?
randomOneOrNull
获取随机元素
Implementation
T? get randomOneOrNull {
try {
return elementAt(Random().nextInt(length));
} catch (e) {
return null;
}
}
获取随机元素
T? get randomOneOrNull {
try {
return elementAt(Random().nextInt(length));
} catch (e) {
return null;
}
}