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cpp take lambda as parameter

#include <functional>

// For a int->int lambda
void foo1(std::function<int(int)> lambda);

// For an empty lambda
void foo2(std::function<void()> lambda);

int main()
{
  foo1([](int param) { return param * 2; });
  foo2([]() { /* Do something */ });
}

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cpp take lambda as parameter

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