连接两个Func委托
假设我有类:
public class Order { int OrderId {get; set;} string CustomerName {get; set;} }
我也在下面声明变量
Func predicate1 = t=>t.OrderId == 5 ; Func predicate2 = t=>t.CustomerName == "Ali";
有没有办法连接这些变量(用AND / OR)并将结果放在第三个变量? 例如:
Func predicate3 = predicate1 and predicate2;
要么
Func predicate3 = predicate1 or predicate2;
和:
Func predicate3 = order => predicate1(order) && predicate2(order);
要么:
Func predicate3 = order => predicate1(order) || predicate2(order);