namespace GC {
enum GC: uint16_t {
Cc = encode_gc("Cc"), // Other: Control
Cf = encode_gc("Cf"), // Other: Format
Cn = encode_gc("Cn"), // Other: Unassigned
Co = encode_gc("Co"), // Other: Private use
Cs = encode_gc("Cs"), // Other: Surrogate
Ll = encode_gc("Ll"), // Letter: Lowercase letter
Lm = encode_gc("Lm"), // Letter: Modifier letter
Lo = encode_gc("Lo"), // Letter: Other letter
Lt = encode_gc("Lt"), // Letter: Titlecase letter
Lu = encode_gc("Lu"), // Letter: Uppercase letter
Mc = encode_gc("Mc"), // Mark: Spacing mark
Me = encode_gc("Me"), // Mark: Enclosing mark
Mn = encode_gc("Mn"), // Mark: Nonspacing mark
Nd = encode_gc("Nd"), // Number: Decimal number
Nl = encode_gc("Nl"), // Number: Letter number
No = encode_gc("No"), // Number: Other number
Pc = encode_gc("Pc"), // Punctuation: Connector punctuation
Pd = encode_gc("Pd"), // Punctuation: Dash punctuation
Pe = encode_gc("Pe"), // Punctuation: Close punctuation
Pf = encode_gc("Pf"), // Punctuation: Final punctuation
Pi = encode_gc("Pi"), // Punctuation: Initial punctuation
Po = encode_gc("Po"), // Punctuation: Other punctuation
Ps = encode_gc("Ps"), // Punctuation: Open punctuation
Sc = encode_gc("Sc"), // Symbol: Currency symbol
Sk = encode_gc("Sk"), // Symbol: Modifier symbol
Sm = encode_gc("Sm"), // Symbol: Math symbol
So = encode_gc("So"), // Symbol: Other symbol
Zl = encode_gc("Zl"), // Separator: Line separator
Zp = encode_gc("Zp"), // Separator: Paragraph separator
Zs = encode_gc("Zs"), // Separator: Space separator
};
inline std::ostream& operator<<(std::ostream& o, GC cat) { return o << decode_gc(cat); }
}
inline uint16_t encode_gc(const u8string& cat) noexcept { return encode_gc(cat.data()); }
inline GC encode_gc(const Ustring& cat) noexcept { return encode_gc(cat.data()); }
constexpr uint16_t encode_gc(const char* cat) noexcept { return cat && *cat ? encode_gc(cat[0], cat[1]) : 0; }
constexpr GC encode_gc(const char* cat) noexcept { return cat && *cat ? encode_gc(cat[0], cat[1]) : GC(); }
