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parse unicode forall and exists as identifiers #42314

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Oct 4, 2021
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parse unicode forall and exists as identifiers #42314

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5b2985a
parse unicode forall and exists as identifiers
willow-ahrens Sep 19, 2021
12b717b
move checks inside character range block
willow-ahrens Sep 19, 2021
90695f7
Merge branch 'master' into pja/forall-exists-identifiers
willow-ahrens Sep 19, 2021
5252678
add news
willow-ahrens Sep 19, 2021
00eada6
Merge branch 'pja/forall-exists-identifiers' of github.com:peterahren…
willow-ahrens Sep 19, 2021
319d27c
add pr to news
willow-ahrens Sep 20, 2021
5ac26bf
add not exists
willow-ahrens Sep 30, 2021
081ef96
news and tests.
willow-ahrens Sep 30, 2021
d3e4475
Merge branch 'pja/forall-exists-identifiers' of github.com:peterahren…
willow-ahrens Sep 30, 2021
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parse unicode forall and exists as identifiers
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@willow-ahrens
willow-ahrens committed Sep 19, 2021
commit 5b2985a15bd87ed58731c503453a4d303b45aba6
1 change: 1 addition & 0 deletions src/flisp/julia_extensions.c
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Expand Up @@ -82,6 +82,7 @@ static int is_wc_cat_id_start(uint32_t wc, utf8proc_category_t cat)
wc == 0x223f || wc == 0x22be || wc == 0x22bf || // ∿, ⊾, ⊿
wc == 0x22a4 || wc == 0x22a5 || // ⊤ ⊥

wc == 0x2200 || wc == 0x2203 || // ∀, ∃
(wc >= 0x2202 && wc <= 0x2233 &&
(wc == 0x2202 || wc == 0x2205 || wc == 0x2206 || // ∂, ∅, ∆
wc == 0x2207 || wc == 0x220e || wc == 0x220f || // ∇, ∎, ∏
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5 changes: 5 additions & 0 deletions test/syntax.jl
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Expand Up @@ -2966,3 +2966,8 @@ end

@generated g25678(x) = return :x
@test g25678(7) === 7

# issue #19012
@test Meta.parse("\U2200", raise=false) == Symbol("∀")
@test Meta.parse("\U2203", raise=false) == Symbol("∃")
@test Meta.parse("a\U2203", raise=false) == Symbol("a∃")