private IEnumerable <FieldDeclarationSyntax> GetFields(ConstructorDeclarationSyntax ctor, IParameterTransform transform, SyntaxToken[] fieldModifiers)
{
foreach (var param in ctor.ParameterList.Parameters)
{
yield return(FieldDeclaration(transform.TransformToVariable(param)
.WithVariables(SingletonSeparatedList(VariableDeclarator(string.Concat("_", param.Identifier.ValueText)))))
.WithModifiers(TokenList(fieldModifiers)));
}
}
