I understand lambdas and the Func
and Action
delegates. 我了解lambda和Func
和Action
表明。 But expressions stump me. 可是表情让我难过。 In what circumstances would you use an Expression<Func<T>>
rather than a plain old Func<T>
? 在什么状况下,您将使用Expression<Func<T>>
而不是普通的旧Func<T>
? express