Get rid of deprecated std::unary_function

dalerank / nanogui-sdl

Minimalistic port of NanoGUI claim works with SDL API w/o external dependencies.

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Get rid of deprecated std::unary_function #59

Closed akuskis closed 2 years ago

akuskis commented 2 years ago

Related to #56

Sum up: This should fix compilation for C++17 as unary_function was removed there.

Details: I do not see, where this unary_function is used... I do not see any reason to this inheritance... but introduced change provides the same behavior as inheritance from unary_function.