T_optionally_ref

template<bool Condition, typename T >

using stan::ref_type_if< Condition, T, require_all_kernel_expressions_t< T > >::T_optionally_ref = std::conditional_t<std::is_rvalue_reference<T>::value, std::remove_reference_t<T>, const T&>

Definition at line 61 of file ref_type.hpp.