Automatic Differentiation
 
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◆ void_t

template<typename... Ts>
using stan::void_t = typedef typename make_void<Ts...>::type

Utility metafunction that maps a sequence of any types to the type void This metafunction is used in template metaprogramming to detect ill-formed types or the validity of an expression in an SFINAE context:

Definition at line 21 of file void_t.hpp.