Cleanup

src/compiler/Nub.Lang/Frontend/Diagnostics/DiagnosticsResult.cs

@@ -0,0 +1,19 @@
+namespace Nub.Lang.Frontend.Diagnostics;
+
+public class DiagnosticsResult(List<Diagnostic> diagnostics)
+{
+    public bool HasErrors => diagnostics.Any(d => d.Severity == DiagnosticSeverity.Error);
+
+    public void PrintAllDiagnostics()
+    {
+        foreach (var diagnostic in diagnostics)
+        {
+            Console.Error.WriteLine(diagnostic.Format());
+        }
+    }
+}
+
+public class DiagnosticsResult<TResult>(List<Diagnostic> diagnostics, TResult value) : DiagnosticsResult(diagnostics)
+{
+    public TResult Value { get; } = value;
+}