Merge pull request JuliaLang#50 from SaschaMann/smann/custom-set-impr…

…ovements custom-set: Additional hint & testsuite clean-up
cmcaine · Mar 5, 2017 · 4072e8a · 4072e8a
2 parents 0a21651 + de9be01
commit 4072e8a
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diff --git a/exercises/custom-set/HINTS.md b/exercises/custom-set/HINTS.md
@@ -1 +1,3 @@
 The tests require a constructor that takes an array. The internals of your custom set implementation can use other data structures but you may have to implement an outer constructor that takes exactly one array for the tests to pass.
+
+Certain methods have a unicode operator equivalent. E.g. `intersect(CustomSet([1, 2, 3, 4]), CustomSet([]))` is equivalent to `CustomSet([1, 2, 3, 4]) ∩ CustomSet([])`.
diff --git a/exercises/custom-set/runtests.jl b/exercises/custom-set/runtests.jl
@@ -14,7 +14,7 @@ end
     @test !(4 in CustomSet([1, 2, 3]))
 end
 
-@testset "subset" begin  # TODO ⊆, ⊈
+@testset "subset" begin
     @test  issubset(CustomSet([]), CustomSet([]))
     @test  issubset(CustomSet([]), CustomSet([1]))
     @test !issubset(CustomSet([1]), CustomSet([]))
@@ -90,7 +90,7 @@ end
             cs1 == CustomSet([2, 3])
         end
     end
-    @testset "not in-place" begin  # TODO use operator ∩
+    @testset "not in-place" begin
         @test isempty(intersect(CustomSet([]), CustomSet([])))
         @test isempty(intersect(CustomSet([]), CustomSet([3, 2, 5])))
         @test isempty(intersect(CustomSet([1, 2, 3, 4]), CustomSet([])))