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is_base_of         41 uspace/lib/cpp/include/__bits/functional/invoke.hpp     struct is_base_of;
is_base_of         58 uspace/lib/cpp/include/__bits/functional/invoke.hpp             if constexpr (is_base_of<T, remove_reference_t<T1>>::value)
is_base_of         71 uspace/lib/cpp/include/__bits/functional/invoke.hpp             if constexpr (is_base_of<T, remove_reference_t<T1>>::value)
is_base_of        853 uspace/lib/cpp/include/__bits/type_traits/type_traits.hpp     inline constexpr bool is_base_of_v = is_base_of<Base, Derived>::value;
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