Stan Math Library
4.9.0
Automatic Differentiation
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using stan::ref_type_if< Condition, T, require_all_kernel_expressions_t< T > >::type = std::conditional_t< internal::is_trivial_kg_expression<std::decay_t<T> >::value || !Condition, T_optionally_ref, T_plain> |
Definition at line 64 of file ref_type.hpp.