=== Code examples ==== Noncompliant code example [source,csharp,diff-id=1,diff-type=noncompliant] ---- bool ValueExists(HashSet data) => data.Any(x => x == 42); ---- [source,csharp,diff-id=2,diff-type=noncompliant] ---- bool ValueExists(List data) => data.Any(x => x == 42); ---- ==== Compliant solution [source,csharp,diff-id=1,diff-type=compliant] ---- bool ValueExists(HashSet data) => data.Contains(42); ---- [source,csharp,diff-id=2,diff-type=compliant] ---- bool ValueExists(List data) => data.Contains(42); ----