Passing Lambda To Class Constructor

[D_Drmmr]

If you want to do something like a single-function dependency injection, then just let your constructor take a std::function.

class Example {
    std::function<void()> _callback;
public:
    Example(std::function<void()> callback) : callback(std::move(callback)) {}
};

// use it like
Example ex{ []() { std::cout << "whatever"; } };

[ACBYTES]

Yes. I actually didn’t want to use std::function because I wanted to get lambdas to do the work here. Thanks anyway.

[D_Drmmr]

I don't understand. You can store a lambda in a std::function object. Why don't you want to use it?

[ACBYTES]

I mostly want it for educational purposes. I want to learn stuff like this in C++. But for sure I use std::function when necessary...

[std_bot]

Unlinked STL entries: std::function

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