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Merged
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Nov 25, 2025
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Don't introduce a block around y in parsing x' = y #60246

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3 changes: 2 additions & 1 deletion JuliaSyntax/src/integration/expr.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -528,8 +528,9 @@ end
elseif k == K"function"
if length(args) > 1
if has_flags(nodehead, SHORT_FORM_FUNCTION_FLAG)
a1 = args[1]
a2 = args[2]
if !@isexpr(a2, :block)
if !@isexpr(a2, :block) && !@isexpr(a1, Symbol("'"))
args[2] = Expr(:block, a2)
end
retexpr.head = :(=)
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6 changes: 6 additions & 0 deletions JuliaSyntax/test/expr.jl
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Expand Up @@ -269,6 +269,12 @@
Expr(:block,
LineNumberNode(3)))

# short-form postfix function shouldn't introduce a block
@test parsestmt("x' = 1") ==
Expr(:(=),
Expr(Symbol("'"), :x),
1)

# `.=` doesn't introduce short form functions
@test parsestmt("f() .= xs") ==
Expr(:(.=), Expr(:call, :f), :xs)
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