boostorg/unordered
1
0
Fork 1
mirror of https://github.com/boostorg/unordered.git synced 2026-05-04 11:44:19 +02:00
Code Issues Packages Projects Releases Wiki Activity

Add new erase(iterator) overloads

Browse Source 
Not for unordered_set/unordered_multiset as they use the same type for
iterator and const_iterator.
This commit is contained in:
Daniel James
2017-04-20 22:59:00 +01:00
parent 461ac96a2c
commit bf7a65010c
3 changed files with 80 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
test/unordered/compile_map.cpp
+32
View File
@@ -227,4 +227,36 @@ UNORDERED_AUTO_TEST(test2)
unordered_map_member_test(multimap, map_value);
}
// Test for ambiguity when using key convertible from iterator
// See LWG2059
struct lwg2059_key
{
int value;
template <typename T> lwg2059_key(T v) : value(v) {}
};
std::size_t hash_value(lwg2059_key x)
{
return static_cast<std::size_t>(x.value);
}
bool operator==(lwg2059_key x, lwg2059_key y) { return x.value == y.value; }
UNORDERED_AUTO_TEST(lwg2059)
{
{
boost::unordered_map<lwg2059_key, int> x;
x.emplace(lwg2059_key(10), 5);
x.erase(x.begin());
}
{
boost::unordered_multimap<lwg2059_key, int> x;
x.emplace(lwg2059_key(10), 5);
x.erase(x.begin());
}
}
RUN_TESTS()
test/unordered/compile_set.cpp
+32
View File
@@ -290,4 +290,36 @@ UNORDERED_AUTO_TEST(destructible_tests)
unordered_destructible_test(multiset);
}
// Test for ambiguity when using key convertible from iterator
// See LWG2059
struct lwg2059_key
{
int value;
template <typename T> lwg2059_key(T v) : value(v) {}
};
std::size_t hash_value(lwg2059_key x)
{
return static_cast<std::size_t>(x.value);
}
bool operator==(lwg2059_key x, lwg2059_key y) { return x.value == y.value; }
UNORDERED_AUTO_TEST(lwg2059)
{
{
boost::unordered_set<lwg2059_key> x;
x.emplace(lwg2059_key(10));
x.erase(x.begin());
}
{
boost::unordered_multiset<lwg2059_key> x;
x.emplace(lwg2059_key(10));
x.erase(x.begin());
}
}
RUN_TESTS()