std::unary_function removed in c++17 about sparsepp HOT 7 CLOSED

You can simply provide it yourself:

template<class ArgumentType, class ResultType>
struct unary_function
{
    typedef ArgumentType argument_type;
    typedef ResultType result_type;
};

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Thanks @Leandros and @sagaceilo, I have replaced the use of std::unary_function with a spp class.

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Hey friends, could you please release a new official stable version?
I want to have this fixed so I can use C++ 17, so far just working with master

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@l33ds, I just did publish a new release. Thanks for using sparsepp.

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So responsive and fast! Thank you :)

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Nice solution but Any solution to the std::binary_function issue as well?

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