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Update documents and tests for #8270 from Jamboree.
https://svn.boost.org/trac/boost/ticket/8270
see also: b36426c8e3
This commit is contained in:
committed by
Kohei Takahashi
parent
52eb8768f2
commit
d03f79b6fd
@ -1949,7 +1949,7 @@ Convert a fusion sequence to a __map__.
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[*Semantics]: Convert a fusion sequence, `seq`, to a __map__.
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[*Semantics]: Convert a fusion sequence, `seq`, to a __map__.
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[*Precondition]: The elements of the sequence are assumed to be
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[*Precondition]: For non-associative sequence, the elements are assumed to be
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__fusion_pair__s. There may be no duplicate __fusion_pair__ key types.
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__fusion_pair__s. There may be no duplicate __fusion_pair__ key types.
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[heading Header]
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[heading Header]
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@ -1959,10 +1959,26 @@ __fusion_pair__s. There may be no duplicate __fusion_pair__ key types.
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[heading Example]
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[heading Example]
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// from sequence of __fusion_pair__
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as_map(__make_vector__(
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as_map(__make_vector__(
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__fusion_make_pair__<int>('X')
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__fusion_make_pair__<int>('X')
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, __fusion_make_pair__<double>("Men")))
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, __fusion_make_pair__<double>("Men")))
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// from associative sequence
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namespace ns
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{
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struct x_member;
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struct y_member;
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}
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BOOST_FUSION_DEFINE_ASSOC_STRUCT(
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(ns),
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point,
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(int, x, ns::x_member)
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(int, y, ns::y_member)
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)
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...
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as_map(ns::point(123, 456))
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[endsect]
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[endsect]
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[endsect]
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[endsect]
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@ -2150,7 +2166,7 @@ Returns the result type of __as_map__.
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[*Semantics]: Convert a fusion sequence, `Sequence`, to a __map__.
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[*Semantics]: Convert a fusion sequence, `Sequence`, to a __map__.
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[*Precondition]: The elements of the sequence are assumed to be
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[*Precondition]: For non-associative sequence, the elements are assumed to be
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__fusion_pair__s. There may be no duplicate __fusion_pair__ key types.
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__fusion_pair__s. There may be no duplicate __fusion_pair__ key types.
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[heading Header]
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[heading Header]
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@ -2160,10 +2176,26 @@ __fusion_pair__s. There may be no duplicate __fusion_pair__ key types.
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[heading Example]
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[heading Example]
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// from sequence of __fusion_pair__
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result_of::as_map<__vector__<
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result_of::as_map<__vector__<
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__fusion_pair__<int, char>
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__fusion_pair__<int, char>
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, __fusion_pair__<double, std::string> > >::type
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, __fusion_pair__<double, std::string> > >::type
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// from associative sequence
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namespace ns
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{
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struct x_member;
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struct y_member;
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}
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BOOST_FUSION_DEFINE_ASSOC_STRUCT(
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(ns),
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point,
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(int, x, ns::x_member)
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(int, y, ns::y_member)
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)
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...
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result_of::as_map<ns::point>::type // __map__<__fusion_pair__<ns::x_member, int>, __fusion_pair__<ns::y_member, int> >
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[endsect]
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[endsect]
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[endsect]
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[endsect]
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@ -59,6 +59,7 @@ project
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[ run sequence/as_deque.cpp : : : : ]
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[ run sequence/as_deque.cpp : : : : ]
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[ run sequence/as_list.cpp : : : : ]
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[ run sequence/as_list.cpp : : : : ]
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[ run sequence/as_map.cpp : : : : ]
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[ run sequence/as_map.cpp : : : : ]
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[ run sequence/as_map_assoc.cpp : : : : ]
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[ run sequence/as_set.cpp : : : : ]
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[ run sequence/as_set.cpp : : : : ]
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[ run sequence/as_vector.cpp : : : : ]
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[ run sequence/as_vector.cpp : : : : ]
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[ run sequence/boost_tuple.cpp : : : : ]
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[ run sequence/boost_tuple.cpp : : : : ]
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85
test/sequence/as_map_assoc.cpp
Normal file
85
test/sequence/as_map_assoc.cpp
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@ -0,0 +1,85 @@
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/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#include <boost/detail/lightweight_test.hpp>
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#include <boost/fusion/adapted/struct/adapt_assoc_struct.hpp>
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#include <boost/fusion/container/vector/vector.hpp>
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#include <boost/fusion/adapted/mpl.hpp>
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#include <boost/fusion/container/generation/make_vector.hpp>
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#include <boost/fusion/container/map/convert.hpp>
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#include <boost/fusion/container/generation/make_set.hpp>
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#include <boost/fusion/container/vector/convert.hpp>
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#include <boost/fusion/sequence/comparison/equal_to.hpp>
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#include <boost/fusion/sequence/intrinsic/at_key.hpp>
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#include <boost/fusion/sequence/io/out.hpp>
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#include <boost/fusion/support/pair.hpp>
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namespace ns
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{
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struct x_member;
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struct y_member;
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struct z_member;
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struct point
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{
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int x;
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int y;
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};
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}
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BOOST_FUSION_ADAPT_ASSOC_STRUCT(
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ns::point,
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(int, x, ns::x_member)
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(int, y, ns::y_member)
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)
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int
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main()
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{
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using namespace boost::fusion;
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using namespace boost;
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std::cout << tuple_open('[');
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std::cout << tuple_close(']');
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std::cout << tuple_delimiter(", ");
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{
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ns::point p = {123, 456};
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std::cout << as_map(p) << std::endl;
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}
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{
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ns::point p = {123, 456};
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boost::fusion::result_of::as_map<ns::point>::type map(p);
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std::cout << at_key<ns::x_member>(map) << std::endl;
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std::cout << at_key<ns::y_member>(map) << std::endl;
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BOOST_TEST(at_key<ns::x_member>(map) == 123);
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BOOST_TEST(at_key<ns::y_member>(map) == 456);
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}
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{
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boost::fusion::result_of::as_map<set<int, char> >::type map(make_set(1, '2'));
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BOOST_TEST(at_key<int>(map) == 1);
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BOOST_TEST(at_key<char>(map) == '2');
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}
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{
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// test conversion
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typedef map<
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pair<ns::x_member, int>
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, pair<ns::y_member, int> >
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map_type;
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ns::point p = {123, 456};
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map_type m(p);
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BOOST_TEST(as_vector(m) == make_vector(make_pair<ns::x_member>(123), make_pair<ns::y_member>(456)));
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m = (make_vector(make_pair<ns::x_member>(123), make_pair<ns::y_member>(456))); // test assign
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BOOST_TEST(as_vector(m) == make_vector(make_pair<ns::x_member>(123), make_pair<ns::y_member>(456)));
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}
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return boost::report_errors();
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}
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