Stan Math Library  2.20.0
reverse mode automatic differentiation
contains_std_vector.hpp
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1 #ifndef STAN_MATH_PRIM_ARR_META_CONTAINS_STD_VECTOR_HPP
2 #define STAN_MATH_PRIM_ARR_META_CONTAINS_STD_VECTOR_HPP
3 
5 #include <type_traits>
6 #include <vector>
7 
8 namespace stan {
13 template <typename T, typename... Ts>
14 struct contains_std_vector<std::vector<T>, Ts...> : std::true_type {};
15 
16 template <typename T, typename... Ts>
17 struct contains_std_vector<T, Ts...> : contains_std_vector<Ts...> {};
18 
19 } // namespace stan
20 #endif
Extends std::false_type as a std::vector type cannot be a scalar primitive type.

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