add missing hash method for QuoteNode

JuliaLang · Jul 23, 2015 · a6f1ee2 · a6f1ee2
1 parent d88dd21
commit a6f1ee2
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diff --git a/base/hashing.jl b/base/hashing.jl
@@ -62,6 +62,7 @@ else
  hash(x::Expr, h::UInt) = hash(x.args, hash(x.head, h + 0x96d26dc6))
 end
 
+hash(x::QuoteNode, h::UInt) = hash(x.value, hash(QuoteNode, h))
 
 # hashing ranges by component at worst leads to collisions for very similar ranges
 const hashr_seed = UInt === UInt64 ? 0x80707b6821b70087 : 0x21b70087

diff --git a/test/hashing.jl b/test/hashing.jl
@@ -90,3 +90,7 @@ x = sprand(10, 10, 0.5)
 x[1] = 1
 x.nzval[1] = 0
 @test hash(x) == hash(full(x))
+
+let a = QuoteNode(1), b = QuoteNode(1.0)
+ @test (hash(a)==hash(b)) == (a==b)
+end