| // This file was generated by go generate; DO NOT EDIT |
| |
| package width |
| |
| // elem is an entry of the width trie. The high byte is used to encode the type |
| // of the rune. The low byte is used to store the index to a mapping entry in |
| // the inverseData array. |
| type elem uint16 |
| |
| const ( |
| tagNeutral elem = iota << typeShift |
| tagAmbiguous |
| tagWide |
| tagNarrow |
| tagFullwidth |
| tagHalfwidth |
| ) |
| |
| const ( |
| numTypeBits = 3 |
| typeShift = 16 - numTypeBits |
| |
| // tagNeedsFold is true for all fullwidth and halfwidth runes except for |
| // the Won sign U+20A9. |
| tagNeedsFold = 0x1000 |
| |
| // The Korean Won sign is halfwidth, but SHOULD NOT be mapped to a wide |
| // variant. |
| wonSign rune = 0x20A9 |
| ) |
