fix operator precendence printing of a in b. fixes #13822

JuliaLang · Nov 16, 2015 · 265670c · 265670c · tkelman · Nov 17, 2015
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commit 265670c
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diff --git a/src/julia-parser.scm b/src/julia-parser.scm
@@ -59,6 +59,7 @@
                              (pushprec (cdr L) (+ prec 1)))))
                      (pushprec (map eval prec-names) 1)
                      t))
+(put! prec-table 'in (get prec-table '== 0)) ; add `in` to the prec-table
 (define (operator-precedence op) (get prec-table op 0))
 
 (define unary-ops '(+ - ! ¬ ~ |<:| |>:| √ ∛ ∜))

diff --git a/test/show.jl b/test/show.jl
@@ -78,6 +78,8 @@ end
 #@test_repr "w = (x = y) = z" # Doesn't pass, but it's an invalid assignment loc
 @test_repr "a & b && c"
 @test_repr "a & (b && c)"
+@test_repr "(a => b) in c"
+@test_repr "a => b in c"
 
 # precedence tie resolution
 @test_repr "(a * b) * (c * d)"