is_container.hpp

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#ifndef STAN_MATH_PRIM_META_IS_CONTAINER_HPP
#define STAN_MATH_PRIM_META_IS_CONTAINER_HPP
 
#include <stan/math/prim/meta/bool_constant.hpp>
#include <stan/math/prim/meta/disjunction.hpp>
#include <stan/math/prim/meta/is_autodiff.hpp>
#include <stan/math/prim/meta/is_eigen.hpp>
#include <stan/math/prim/meta/is_vector.hpp>
#include <stan/math/prim/meta/is_var_matrix.hpp>
#include <stan/math/prim/meta/base_type.hpp>
#include <stan/math/prim/meta/scalar_type.hpp>
#include <stan/math/prim/meta/value_type.hpp>
#include <stan/math/prim/meta/require_helpers.hpp>
 
#include <type_traits>
 
namespace stan {
 
template <typename Container>
using is_container = bool_constant<
    math::disjunction<is_eigen<Container>, is_std_vector<Container>>::value>;
 
template <typename T>
using require_container_t = require_t<is_container<std::decay_t<T>>>;
 
template <typename T>
using require_not_container_t = require_not_t<is_container<std::decay_t<T>>>;
 
template <typename... Types>
using require_all_container_t
    = require_all_t<is_container<std::decay_t<Types>>...>;
 
template <typename... Types>
using require_any_container_t
    = require_any_t<is_container<std::decay_t<Types>>...>;
 
template <typename... Types>
using require_all_not_container_t
    = require_all_not_t<is_container<std::decay_t<Types>>...>;
template <template <class...> class TypeCheck, class... Check>
using require_container_st
    = require_t<container_type_check_base<is_container, scalar_type_t,
                                          TypeCheck, Check...>>;
 
template <template <class...> class TypeCheck, class... Check>
using require_container_bt = require_t<
    container_type_check_base<is_container, base_type_t, TypeCheck, Check...>>;
 
template <template <class...> class TypeCheck, class... Check>
using require_not_container_st
    = require_not_t<container_type_check_base<is_container, scalar_type_t,
                                              TypeCheck, Check...>>;
 
template <typename T>
using require_ad_container_t
    = require_all_t<stan::math::disjunction<is_eigen<T>, is_std_vector<T>>,
                    is_autodiff<base_type_t<T>>>;
}  // namespace stan
 
#endif