C++ : Is it absolutely necessary for std::any_cast() and std::get_if(std::variant) to take pointer a

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C++ : Is it absolutely necessary for std::any_cast() and std::get_if(std::variant) to take pointer as an argument?
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C++ : Is it absolutely necessary for std::any_cast() and std::get_if(std::variant) to take pointer as an argument?
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