first.hpp File Reference

Forward declares boost::hana::first. More...

Namespaces
	boost::hana
	Namespace containing everything in the library.

Variables
constexpr auto	boost::hana::first
	Returns the first element of a pair.Note that if the Product actually stores the elements it contains, hana::first is required to return a lvalue reference, a lvalue reference to const or a rvalue reference to the first element, where the type of reference must match that of the pair passed to first. If the Product does not store the elements it contains (i.e. it generates them on demand), this requirement is dropped. More...

Detailed Description

Forward declares boost::hana::first.

Copyright

Louis Dionne 2013-2017 Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)