controlflow

    private void ModifyItemsCount(int newCount)
    {
      if (myTail == null || myTail is FrugalLocalMarkerList<T>)
      {
        if (newCount == 0)
          myTail = null;
        else if (newCount == 1)
          myTail = FrugalLocalMarkerList<T>.One;
        else if (newCount == 2)
          myTail = FrugalLocalMarkerList<T>.Two;

controlflow

      var genericType = myIsAsync
        ? useEnumeratorType
          ? predefinedType.IAsyncEnumerator
          : predefinedType.IAsyncEnumerable
        : useEnumeratorType
          ? predefinedType.GenericIEnumerator
          : predefinedType.GenericIEnumerable;

controlflow

       case IRecursivePattern recursivePattern
         when recursivePattern.TypeUsage == null
           && recursivePattern.DeconstructionPatternClause == null
           && recursivePattern.PropertyPatternClause is IPropertyPatternClause patternPropertyPatternClause
           && patternPropertyPatternClause.PatternsEnumerable.IsEmpty()
           && recursivePattern.Designation == null
           && !recursivePattern.ContainsPreprocessorDirectives():
       {
         
       }

controlflow

    [Pure]
    public static bool CanRemoveDesignation([NotNull] this IRecursivePattern recursivePattern)
    {
      if (recursivePattern.TypeUsage == null && recursivePattern.PropertyPatternClause == null)
      {
        var deconstructionPatternClause = recursivePattern.DeconstructionPatternClause;
        if (deconstructionPatternClause != null)
        {
          if (deconstructionPatternClause.Patterns.Count == 1) return false;
        }

controlflow

                var tupleTypeComponent = tupleType.ComponentOrNull(componentIndex);
                if (tupleTypeComponent != null)
                {
                  var actualTypeName = tupleTypeComponent.Value.ExplicitName ?? TupleTypeComponent.GetDefaultComponentName(componentIndex);
                  consumer.AddHighlighting(new DeconstructionSubpatternWrongTupleComponentNameError(subpattern, actualTypeName));
                }

controlflow

        switch (expression.GetOperandThroughParenthesisStrict())
        {
          case INullCoalescingExpression nullCoalescingExpression when nullCoalescingExpression.RightOperand is IThrowExpression:
            expression = nullCoalescingExpression.LeftOperand.GetOperandThroughParenthesisStrict();
            break;

          case IInvocationExpression invocationExpression:
            break;

          default:

controlflow

        var sourceExpression = DeconstructionUtil.FindExpressionInTuple(infoInExpression);
        if (sourceExpression != null && sourceExpression.Value.Indices.Count == 0)
        {
          namesCollection.Add(sourceExpression.Value.TopmostExpression, new EntryOptions(subrootPolicy: SubrootPolicy.Decompose));
        }

controlflow

      if (previousMember is IExpressionBodyOwnerDeclaration expressionBodyOwnerDeclaration)
      {
        return expressionBodyOwnerDeclaration.ArrowClause?.Expression != null
               && expressionBodyOwnerDeclaration.Semicolon == null;
      }

      return false;

controlflow

    [Pure, ContractAnnotation("null => false")]
    public static bool IsValueTuple([CanBeNull] this ITypeElement typeElement)
    {
      var structType = typeElement as IStruct;
      if (structType == null) return false;

      return typeElement.ShortName == "ValueTuple"
             && typeElement.GetContainingNamespace() is INamespace ns
             && ns.ShortName == "System"
             && ns.GetContainingNamespace() is INamespace root

controlflow

        var inferredType = currentStyle == VariableStyle.UseVar
          ? variableType
          : deconstructionInfo.Indices.IsEmpty()
            ? deconstructionInfo.TopmostExpression.Type()
            : FindInferredTypeForDeconstructionVariable(deconstructionInfo.TopmostExpression.GetExpressionType(),deconstructionInfo.Indices);