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Eike Ziller authored
Converting std::unary_function to std::function will create a copy, which we do not want. Actually std::unary_function as a base class doesn't serve a purpose at all in this context, so we can just remove it. Bind a std::function to a pointer to our search object instead. Change-Id: I31db62312eefdff19b09fbb4eb20e8e666125874 Reviewed-by: Daniel Teske <daniel.teske@theqtcompany.com>
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