英文:
It is Good Practice to Assign Lambda Expression to a Variable in C++?
问题
在C++中，将lambda表达式分配给变量是否被视为良好的做法？我知道从Python来看，这并不是一个好的实践。在C++中，将lambda表达式分配给变量的做法在某些情况下被认为是方便定义functors的一种方式。
英文:
Is it considered as good practice to assign lambda expressions in C++ to a variable?
I know from python, that it isn't good practice
which makes perfect sense to me, because it makes no sense to give an anonymous function a name. However, I have seen very often in C++ that lambda is assigned to a variable, like here for example
https://en.cppreference.com/w/cpp/language/lambda
https://en.cppreference.com/w/cpp/ranges/drop_view
Is this considered as good practice in C++? From this post here
https://stackoverflow.com/questions/7627098/what-is-a-lambda-expression-in-c11
I conclude, it can be also seen as very convenient way to define functors. So it looks like lambda is in C++ considered as more than just an anonymous function.
答案1
得分: 2
总的来说，通常是的。它通过使代码更易读来改进代码。当然，不要仅仅为了使用 lambda 而使用 lambda。
英文:
In short, it usually is. It improves your code by making it more readable. Of course, don't use lambda for lambda's own sake.
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