private static bool CheckFieldName(IFieldSymbol fieldSymbol)
{
if (!fieldSymbol.ContainingType.IsTupleType())
{
return(false);
}
// check if this already is a proper tuple field name
if (!Equals(fieldSymbol.CorrespondingTupleField(), fieldSymbol))
{
return(false);
}
// check if there is a tuple field name declared.
return(fieldSymbol.ContainingType.GetMembers().OfType <IFieldSymbol>().Count(fs => Equals(fs.CorrespondingTupleField(), fieldSymbol)) > 1);
}
