更新时间:2022-04-01 06:29:52
避免转换为域较小的类型:
Avoiding conversions to types with a smaller domain:
BOOL NumberIsFraction(NSNumber *number) {
double dValue = [number doubleValue];
if (dValue < 0.0)
return (dValue != ceil(dValue));
else
return (dValue != floor(dValue));
}