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#ifndef MLIB_UNICODE_STRING_H
#define MLIB_UNICODE_STRING_H
#include <stddef.h>
#include "_charN_t.h"
#include "_u8view.h"
/* clang-format off */
enum [[clang::flag_enum]] caseflags {
CF_LANG_AZ = 1 << 0, /* Azeri; alias for CF_LANG_TR */
CF_LANG_TR = 1 << 0, /* Turkish; alias for CF_LANG_AZ */
CF_LANG_LT = 1 << 1, /* Lithuanian */
CF_ẞ = 1 << 2, /* Use ‘ẞ’ as the uppercase of ‘ß’ */
};
/* clang-format on */
[[nodiscard]] size_t u8glen(const char8_t *, size_t);
size_t u8gnext(struct u8view *, const char8_t **, size_t *);
#define mlib_warn_trunc nodiscard("don’t forget to check for truncation")
[[mlib_warn_trunc]] size_t u8casefold(char8_t *restrict, size_t,
const char8_t *, size_t, enum caseflags);
[[mlib_warn_trunc]] size_t u8lower(char8_t *restrict, size_t, const char8_t *,
size_t, enum caseflags);
[[mlib_warn_trunc]] size_t u8upper(char8_t *restrict, size_t, const char8_t *,
size_t, enum caseflags);
#undef mlib_warn_trunc
constexpr double U8LOWER_SCALE = 1.5;
constexpr double U8LOWER_SCALE_LT = 3;
constexpr double U8TITLE_SCALE = 3;
constexpr double U8UPPER_SCALE = 3;
#endif /* !MLIB_UNICODE_STRING_H */
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