该where
条款如何运作?
(digit, index) => digit.Length < index
代码
public void Linq5()
{
string[] digits = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" };
var shortDigits = digits.Where((digit, index) => digit.Length < index);
Console.WriteLine("Short digits:");
foreach (var d in shortDigits)
{
Console.WriteLine("The word {0} is shorter than its value.", d);
}
}
编辑澄清 根据 Iswanto San
(digit, index) => digit.Length < index
变量声明:
(digit, index) -- digit as array of digits
条件(如where
中的子句SQL
):
digit.Length < index
如果我错了,正确吗?如果我走对了,那么角色是什么=>