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AntonBikineev/gist:9cc93cb84dfe1d96129c

Created August 19, 2015 18:09
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gistfile1.txt
template <class T, class = void>
struct has_something: std::false_type {};
template <class T>
struct has_something<T, void_t<decltype(std::declval<T>().something)> > : std::true_type
{
};
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