HelenOS sources

is_one_of          72 uspace/lib/cpp/include/__bits/type_traits/type_traits.hpp         struct is_one_of<T>: false_type
is_one_of          76 uspace/lib/cpp/include/__bits/type_traits/type_traits.hpp         struct is_one_of<T, T, Ts...>: true_type
is_one_of          80 uspace/lib/cpp/include/__bits/type_traits/type_traits.hpp         struct is_one_of<T, U, Ts...>: is_one_of<T, Ts...>