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ahans · Jan 19, 2025 · 6a6185d · 6a6185d
1 parent 165b1e5
commit 6a6185d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/exercises/practice/anagram/anagram_test.cpp b/exercises/practice/anagram/anagram_test.cpp
@@ -13,6 +13,10 @@ using namespace std;
 // Anagram exercise test case data version 1.5.0
 
 namespace {
+// This class is a helper to support any container to be used. It takes
+// an std::unordered_set of expected values and provides a method
+// `is_identical_to` that checks if a given container is as expected. Since the
+// method is a method template, it works for any container.
 class ExpectedSet {
    public:
     ExpectedSet() = default;