- Make sure vector implements SequenceContainer: http://en.cppreference.com/w/cpp/concept/SequenceContainer
- long long
- unsigned long long
- float
- double
- long double
- Filename parsing:
- Support for home directories.
- Support for network shares.
- URI parsing
- String, rune and string builder classes: Input operators should behave like FormattedInputFunction as described in the C++ wiki.
- Input operators for string builder class. Maybe also getline function.
- Update to Unicode 7.0