封装不带参数、带返回值的方法
我正在寻找类似 Action
I'm looking for something like Action<T> ("Encapsulates a method that has a single parameter and does not return a value") and like Func<T, TResult> ("Encapsulates a method that has one parameter and returns a value of the type specified by the TResult parameter"), but I have to encapsulate a method without parameter and with return value.
Is there anything, or I have to write one?
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看起来您想要
Func。Looks like you want
Func<TResult>.Func 能够做到这一点。它有多种变体，具体取决于您需要的输入参数的数量，包括没有。不过，它始终采用返回类型，例如
Func表示不带参数的函数，返回 int。希望这有帮助。
Func is capable of doing that. There are several variants of it, depending on the number of input parameters you're after, including none. It always takes a return type, though, e.g.
Func<int>represents a function with no arguments, returning an int.Hope this helps.