0
0
mirror of https://github.com/rbock/sqlpp11.git synced 2024-11-15 20:31:16 +08:00

result: make nested iterator C++20 conformant

This commit is contained in:
Théo Delrieu 2021-10-22 15:16:48 +02:00 committed by Roland Bock
parent 8572c821aa
commit 3f7fe2d0bb

View File

@ -93,7 +93,9 @@ namespace sqlpp
using reference = const result_row_t&;
using difference_type = std::ptrdiff_t;
iterator(db_result_t& result, result_row_t& result_row) : _result(result), _result_row(result_row)
iterator(std::reference_wrapper<db_result_t> result,
std::reference_wrapper<result_row_t> result_row) :
_result(std::move(result)), _result_row(std::move(result_row))
{
}
@ -104,12 +106,12 @@ namespace sqlpp
pointer operator->() const
{
return &_result_row;
return &_result_row.get();
}
bool operator==(const iterator& rhs) const
{
return _result_row == rhs._result_row;
return _result_row.get() == rhs._result_row.get();
}
bool operator!=(const iterator& rhs) const
@ -119,29 +121,29 @@ namespace sqlpp
iterator& operator++()
{
_result.next(_result_row);
_result.get().next(_result_row.get());
return *this;
}
iterator operator++(int)
{
auto previous_it = *this;
_result.next(_result_row);
_result.next(_result_row.get());
return previous_it;
}
db_result_t& _result;
result_row_t& _result_row;
std::reference_wrapper<db_result_t> _result;
std::reference_wrapper<result_row_t> _result_row;
};
iterator begin()
{
return iterator(_result, _result_row);
return iterator(std::ref(_result), std::ref(_result_row));
}
iterator end()
{
return iterator(_end, _end_row);
return iterator(std::ref(_end), std::ref(_end_row));
}
const result_row_t& front() const