选中和取消选中作为范围
关键字还可以创建范围以便(取消)检查多个操作。
short m = 32767;
short n = 32767;
checked
{
int result1 = (short)(m + n); //will throw an OverflowException
}
unchecked
{
int result2 = (short)(m + n); // will return -2
}
关键字还可以创建范围以便(取消)检查多个操作。
short m = 32767;
short n = 32767;
checked
{
int result1 = (short)(m + n); //will throw an OverflowException
}
unchecked
{
int result2 = (short)(m + n); // will return -2
}