Boost.Hana  1.0.0
Your standard library for metaprogramming
boost::tuple< T > Struct Template Reference


template<typename... T>
struct boost::tuple< T >

Adapter for boost::tuples.

Modeled concepts

A boost::tuple is a model of the Sequence concept, and all the concepts it refines. That makes it essentially the same as a Hana tuple, although the complexity of some operations might differ from that of Hana's tuple.

// Copyright Louis Dionne 2013-2016
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file or copy at
#include <boost/tuple/tuple.hpp>
#include <string>
namespace hana = boost::hana;
struct Fish { std::string name; };
struct Cat { std::string name; };
struct Dog { std::string name; };
int main() {
boost::tuple<Fish, Cat, Dog> animals{{"Nemo"}, {"Garfield"}, {"Snoopy"}};
hana::front(animals).name = "Moby Dick";
auto names = hana::transform(animals, [](auto a) {
boost::make_tuple("Moby Dick", "Garfield", "Snoopy")