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encoding.utf8.east_asian: add support for East_Asian_Width (#8978)

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See https://www.unicode.org/reports/tr11/
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zakuro 2021-02-26 16:52:07 +09:00 committed by GitHub
parent 524372d49c
commit 995bd66970
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2 changed files with 1227 additions and 0 deletions
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1204
vlib/encoding/utf8/east_asian/east_asian_width.v Normal file
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vlib/encoding/utf8/east_asian/east_asian_width_test.v Normal file
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module east_asian
fn test_width() {
assert east_asian_width_property_at('A', 0) == .narrow
assert east_asian_width_property_at('Ａ', 0) == .full
assert east_asian_width_property_at('ｱ', 0) == .half
assert east_asian_width_property_at('ア', 0) == .wide
assert east_asian_width_property_at('☆', 0) == .ambiguous
assert east_asian_width_property_at('ج', 0) == .neutral
assert display_width('abc', 1) == 3
assert display_width('ひらがな', 1) == 8
assert display_width('カタカナ', 1) == 8
assert display_width('ｶﾀｶﾅ', 1) == 4
assert display_width('한글', 1) == 4
assert display_width('한자', 1) == 4
assert display_width('漢字', 1) == 4
assert display_width('简体字', 1) == 6
assert display_width('繁體字', 1) == 6
assert display_width('अरबी लिपि', 1) == 9
assert display_width('☆', 1) == 1
assert display_width('☆', 2) == 2
assert display_width('🐈👽📛', 1) == 6
}