Implement hashing for custom Some equality

JuliaLang · Dec 6, 2023 · e601b01 · e601b01
1 parent fea7616
commit e601b01
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diff --git a/base/some.jl b/base/some.jl
@@ -147,3 +147,4 @@ macro something(args...)
 end
 
 ==(a::Some, b::Some) = a.value == b.value
+hash(s::Some, h::UInt) = hash(s.value, hash(Some, h))
diff --git a/test/some.jl b/test/some.jl
@@ -56,6 +56,10 @@
 # Two Somes forward to their wrapped things
 @test ==(Some([0x1]), Some([1]))
 
+# hashing implications
+@test hash(Some(0x1)) != hash(0x1)
+@test hash(Some(0x1)) == hash(Some(1))
+
 @testset "something" begin
     @test_throws ArgumentError something()
     @test something(1) === 1
Original file line number	Diff line number	Diff line change
Expand Up		@@ -147,3 +147,4 @@ macro something(args...)
		end

		==(a::Some, b::Some) = a.value == b.value
		hash(s::Some, h::UInt) = hash(s.value, hash(Some, h))