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algo/for_each: Fixed parameter type

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to be able to call mutable object
This commit is contained in:
Kohei Takahashi
2018-07-02 22:19:25 +09:00
parent afb8b150a9
commit 0e4c5127f5
6 changed files with 140 additions and 41 deletions
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26
test/algorithm/for_each.cpp
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@ -1,13 +1,15 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2018 Kohei Takahashi
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#include <boost/detail/lightweight_test.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/fusion/container/vector/vector.hpp>
#include <boost/fusion/adapted/mpl.hpp>
#include <boost/fusion/sequence/io/out.hpp>
#include <boost/fusion/sequence/comparison/equal_to.hpp>
#include <boost/fusion/algorithm/iteration/for_each.hpp>
#include <boost/mpl/vector_c.hpp>
@ -29,6 +31,15 @@ struct increment
}
};
struct mutable_increment : increment
{
template <typename T>
void operator()(T& v)
{
return increment::operator()(v);
}
};
int
main()
{
@ -44,9 +55,20 @@ main()
}
{
char const ruby[] = "Ruby";
typedef vector<int, char, double, char const*> vector_type;
vector_type v(1, 'x', 3.3, "Ruby");
vector_type v(1, 'x', 3.3, ruby);
for_each(v, increment());
BOOST_TEST_EQ(v, vector_type(2, 'y', 4.3, ruby + 1));
std::cout << v << std::endl;
}
{
char const ruby[] = "Ruby";
typedef vector<int, char, double, char const*> vector_type;
vector_type v(1, 'x', 3.3, ruby);
for_each(v, mutable_increment());
BOOST_TEST_EQ(v, vector_type(2, 'y', 4.3, ruby + 1));
std::cout << v << std::endl;
}