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authorOleg Grenrus <oleg.grenrus@iki.fi>2021-02-14 13:33:21 +0200
committerMarge Bot <ben+marge-bot@smart-cactus.org>2021-04-05 20:38:07 -0400
commit9c9adbd0ffe6ecc37d3a565811d8e79f24383943 (patch)
tree6beab45ec5caf3e406c3aecb7dfb7f4361d3fb05 /testsuite/tests/parser/unicode/T18158b.hs
parent918d5021ad74a6b7e5e027df2f7d7605d833b486 (diff)
downloadhaskell-9c9adbd0ffe6ecc37d3a565811d8e79f24383943.tar.gz
Implement proposal 403: Lexer cleanup
This allows Other Numbers to be used in identifiers, and also documents other, already existing lexer divergence from Haskell Report
Diffstat (limited to 'testsuite/tests/parser/unicode/T18158b.hs')
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1 files changed, 15 insertions, 0 deletions
diff --git a/testsuite/tests/parser/unicode/T18158b.hs b/testsuite/tests/parser/unicode/T18158b.hs
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+main = print ⅯⅯⅩⅩ
+ where ⅯⅯⅩⅩ = 11
+
+-- ⅯⅯⅩⅩ is characters are in NumberLetter unicode category.
+-- We now allow it to be used in identifiers, but they
+-- are not lower or upper, so cannot be the first one.
+--
+-- Just like 'OtherNumber' (#4373), 'ModifierLetter' (#10196) and
+-- NonSpacingMark (#7650).
+--
+-- > map generalCategory "ⅯⅯⅩⅩ"
+-- [LetterNumber,LetterNumber,LetterNumber,LetterNumber]
+--
+-- > map show "ⅯⅯⅩⅩ"
+-- ["'\\8559'","'\\8559'","'\\8553'","'\\8553'"]