Linq 生成运算符 Empty,Range,Repeat
var c1 = Enumerable.Empty<string>();//c1.Count=0 var rlist = Enumerable.Range(9527, 10);//{9527,9528,9529,......9536} var rrlist = Enumerable.Repeat(9527, 10);//{9527,9527,9527...9527}
var c1 = Enumerable.Empty<string>();//c1.Count=0 var rlist = Enumerable.Range(9527, 10);//{9527,9528,9529,......9536} var rrlist = Enumerable.Repeat(9527, 10);//{9527,9527,9527...9527}