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Fix #130 Statement::getColumns() template function now uses T{} instead of T()

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Thanks to @cycycyc for providing this improvement
This commit is contained in:
Sébastien Rombauts 2017-07-17 15:26:02 +02:00
parent f08c15f43b
commit 078941cdb1
1 changed files with 16 additions and 14 deletions
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30
include/SQLiteCpp/Column.h
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@ -261,21 +261,23 @@ private:
std::ostream& operator<<(std::ostream& aStream, const Column& aColumn);
#if __cplusplus >= 201402L || (defined(_MSC_VER) && _MSC_VER >= 1900)
// Create an instance of T from the first N columns, see declaration in Statement.h for full details
template<typename T, int N>
T Statement::getColumns()
{
checkRow();
checkIndex(N - 1);
return getColumns<T>(std::make_integer_sequence<int, N>{});
}
// Helper function called by getColums<typename T, int N>
template<typename T, const int... Is>
T Statement::getColumns(const std::integer_sequence<int, Is...>)
{
return T(Column(mStmtPtr, Is)...);
}
// Create an instance of T from the first N columns, see declaration in Statement.h for full details
template<typename T, int N>
T Statement::getColumns()
{
checkRow();
checkIndex(N - 1);
return getColumns<T>(std::make_integer_sequence<int, N>{});
}
// Helper function called by getColums<typename T, int N>
template<typename T, const int... Is>
T Statement::getColumns(const std::integer_sequence<int, Is...>)
{
return T{Column(mStmtPtr, Is)...};
}
#endif
} // namespace SQLite