possibly_sum() [1/2]

template<typename CondSum , typename T , require_t< CondSum > * = nullptr>

auto stan::math::possibly_sum ( T &&  x )

inline

Conditionally sum the input at compile time.

Template Parameters

CondSum	A struct with a static boolean member value which if true will allow the input value to be summed
T	A scalar, Eigen type, or standard vector with inner scalar type.

Parameters

x	The value to be summed.

Definition at line 18 of file possibly_sum.hpp.