1#ifndef STAN_MATH_REV_META_PLAIN_TYPE_HPP
2#define STAN_MATH_REV_META_PLAIN_TYPE_HPP
std::enable_if_t< Check::value > require_t
If condition is true, template is enabled.
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...
Extends std::true_type when instantiated with zero or more template parameters, all of which extend t...
typename stan::math::var_value< plain_type_t< value_type_t< T > > > type
Determines plain (non expression) type associated with T.