Implemented hashing. Closes #77

Author: jonniedie

Project.toml

@@ -1,7 +1,7 @@
 name = "ComponentArrays"
 uuid = "b0b7db55-cfe3-40fc-9ded-d10e2dbeff66"
 authors = ["Jonnie Diegelman <47193959+jonniedie@users.noreply.github.com>"]
-version = "0.9.3"
+version = "0.9.4"
 
 [deps]
 ArrayInterface = "4fba245c-0d91-5ea0-9b3e-6abc04ee57a9"

src/componentarray.jl

@@ -284,6 +284,8 @@ Base.propertynames(x::ComponentVector) = propertynames(indexmap(getaxes(x)[1]))
 
 Base.keys(x::ComponentVector) = keys(indexmap(getaxes(x)[1]))
 
+Base.hash(x::ComponentArray, h::UInt) = hash(getdata(x), h)
+
 """
     valkeys(x::ComponentVector)
 

test/runtests.jl

@@ -107,6 +107,10 @@ end
 
     @test keys(ca) == (:a, :b, :c)
     @test valkeys(ca) == Val.((:a, :b, :c))
+
+    @test ca == getdata(ca)
+    @test hash(ca) == hash(getdata(ca))
+    @test hash(ca, zero(UInt)) == hash(getdata(ca), zero(UInt))
 end
 
 @testset "Get" begin