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Unordered: Fix overload edge case for piecewise construction.

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[SVN r81393]
This commit is contained in:
Daniel James
2012-11-17 12:03:55 +00:00
parent da455124d2
commit 8fb85cbb8d
2 changed files with 9 additions and 3 deletions
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4
include/boost/unordered/detail/extract_key.hpp
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@ -138,7 +138,7 @@ namespace detail {
#define BOOST_UNORDERED_KEY_FROM_TUPLE(namespace_) \
template <typename T2> \
static no_key extract(boost::unordered::piecewise_construct_t, \
namespace_ tuple<> const&, BOOST_FWD_REF(T2)) \
namespace_ tuple<> const&, T2 const&) \
{ \
return no_key(); \
} \
@ -146,7 +146,7 @@ namespace detail {
template <typename T, typename T2> \
static typename is_key<key_type, T>::type \
extract(boost::unordered::piecewise_construct_t, \
namespace_ tuple<T> const& k, BOOST_FWD_REF(T2)) \
namespace_ tuple<T> const& k, T2 const&) \
{ \
return typename is_key<key_type, T>::type( \
namespace_ get<0>(k)); \

8
test/unordered/insert_tests.cpp
View File

@ -698,6 +698,12 @@ derived_from_piecewise_construct_t piecewise_rvalue() {
return derived_from_piecewise_construct_t();
}
struct convertible_to_piecewise {
operator boost::unordered::piecewise_construct_t() const {
return boost::unordered::piecewise_construct;
}
};
UNORDERED_AUTO_TEST(map_emplace_test2)
{
boost::unordered_map<overloaded_constructor, overloaded_constructor> x;
@ -706,7 +712,7 @@ UNORDERED_AUTO_TEST(map_emplace_test2)
BOOST_TEST(x.find(overloaded_constructor()) != x.end() &&
x.find(overloaded_constructor())->second == overloaded_constructor());
x.emplace(boost::unordered::piecewise_construct, boost::make_tuple(1), boost::make_tuple());
x.emplace(convertible_to_piecewise(), boost::make_tuple(1), boost::make_tuple());
BOOST_TEST(x.find(overloaded_constructor(1)) != x.end() &&
x.find(overloaded_constructor(1))->second == overloaded_constructor());