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Immutable Unicode code point trie structure.

Fast, reasonably compact, map from Unicode code points (U+0000..U+10FFFF) to integer values. For details seehttps://icu.unicode.org/design/struct/utrie

Do not accessUCPTrie fields directly; use public functions and macros. Functions are easy to use: They support all trie types and value widths.

When performance is really important, macros provide faster access. Most macros are specific to either "fast" or "small" tries, see UCPTrieType. There are "fast" macros for special optimized use cases.

The macros will return bogus values, or may crash, if used on the wrong type or value width.

See also

UMutableCPTrie

Stable:

ICU 63

Definition at line59 of fileucptrie.h.