static_select() [1/2]

template<bool Condition, typename T1 , typename T2 , std::enable_if_t< Condition > * = nullptr>

T1 stan::math::static_select ( T1 &&  a, T2 &&  b  )

inline

Returns one of the arguments that can be of different type, depending on the compile time condition.

Can often be used in place of c++17 if constexpr.

Template Parameters

Condition	condition
T1	type of the first argument
T2	type of the second argument

Parameters

a	first argument; returned if the Condition is true
b	second argument; returned if the Condition is false

Returns

One of the arguemtns, depending on the Condition

Definition at line 24 of file static_select.hpp.