simplify

src/Features/Core/Portable/GenerateMember/GenerateParameterizedMember/AbstractGenerateParameterizedMemberService.SignatureInfo.cs

@@ -205,7 +205,7 @@ private async ValueTask<ImmutableArray<IParameterSymbol>> DetermineParametersAsy
                 var optionality = DetermineParameterOptionality(cancellationToken);
                 var names = DetermineParameterNames(cancellationToken);
 
-                var result = ArrayBuilder<IParameterSymbol>.GetInstance();
+                using var _ = ArrayBuilder<IParameterSymbol>.GetInstance(out var result);
                 for (var i = 0; i < modifiers.Length; i++)
                 {
                     result.Add(CodeGenerationSymbolFactory.CreateParameterSymbol(
@@ -217,7 +217,7 @@ private async ValueTask<ImmutableArray<IParameterSymbol>> DetermineParametersAsy
                         name: names[i].BestNameForParameter));
                 }
 
-                return result.ToImmutableAndFree();
+                return result.ToImmutable();
             }
 
             private Accessibility DetermineAccessibility(bool isAbstract)

src/Features/Core/Portable/GenerateMember/GenerateParameterizedMember/AbstractGenerateParameterizedMemberService.cs

@@ -38,7 +38,7 @@ protected virtual string GetExplicitConversionDisplayText(State state)
 
         protected async ValueTask<ImmutableArray<CodeAction>> GetActionsAsync(Document document, State state, CancellationToken cancellationToken)
         {
-            var result = ArrayBuilder<CodeAction>.GetInstance();
+            using var _ = ArrayBuilder<CodeAction>.GetInstance(out var result);
             result.Add(new GenerateParameterizedMemberCodeAction((TService)this, document, state, isAbstract: false, generateProperty: false));
 
             // If we're trying to generate an instance method into an abstract class (but not a
@@ -49,9 +49,7 @@ protected async ValueTask<ImmutableArray<CodeAction>> GetActionsAsync(Document d
                 !state.IsStatic;
 
             if (canGenerateAbstractly)
-            {
                 result.Add(new GenerateParameterizedMemberCodeAction((TService)this, document, state, isAbstract: true, generateProperty: false));
-            }
 
             var semanticFacts = document.Project.Solution.Workspace.Services.GetLanguageServices(state.TypeToGenerateIn.Language).GetService<ISemanticFactsService>();
 
@@ -66,13 +64,11 @@ protected async ValueTask<ImmutableArray<CodeAction>> GetActionsAsync(Document d
                     result.Add(new GenerateParameterizedMemberCodeAction((TService)this, document, state, isAbstract: false, generateProperty: true));
 
                     if (canGenerateAbstractly)
-                    {
                         result.Add(new GenerateParameterizedMemberCodeAction((TService)this, document, state, isAbstract: true, generateProperty: true));
-                    }
                 }
             }
 
-            return result.ToImmutableAndFree();
+            return result.ToImmutable();
         }
     }
 }