getNum method

num getNum(
  1. String key
)

获取缓存num keycache key

Implementation

num getNum(String key) {
  dynamic value = get(key);
  if (value == null) {
    return 0;
  }
  try {
    if (value is num) {
      return value ~/ 1;
    } else {
      return (num.tryParse("$value") ?? 0) ~/ 1;
    }
  } catch (e) {
    return 0;
  }
}