Adds an out parameter to ChangeType to indicate the result of the conversion. This prevents us from needing to have a CanConvert or similar function, which would result in duplicative work. In all cases where ChangeType would result in NoMatch, an exception is thrown.
In the As operator, if there is a custom conversion defined between two types, we invoke it. If ChangeType identifies a NoMatch condition, we return default. Otherwise, we produce a standard C# as operator.
ChangeTypeto indicate the result of the conversion. This prevents us from needing to have aCanConvertor similar function, which would result in duplicative work. In all cases whereChangeTypewould result inNoMatch, an exception is thrown.Asoperator, if there is a custom conversion defined between two types, we invoke it. IfChangeTypeidentifies aNoMatchcondition, we returndefault. Otherwise, we produce a standard C#asoperator.