Boost.Hana  1.2.0 Your standard library for metaprogramming
product.hpp File Reference

Forward declares boost::hana::product. More...

## Namespaces

boost::hana
Namespace containing everything in the library.

## Variables

constexpr auto boost::hana::product = see documentation
Compute the product of the numbers of a structure.More generally, product will take any foldable structure containing objects forming a Ring and reduce them using the Ring's binary operation. The initial state for folding is the identity of the Ring's operation. It is sometimes necessary to specify the Ring to use; this is possible by using product<R>. If no Ring is specified, the structure will use the Ring formed by the elements it contains (if it knows it), or integral_constant_tag<int> otherwise. Hence,. More...

## Detailed Description

Forward declares boost::hana::product.