Nitorami <mneuba...@alice-dsl.net> schrieb am Mi., 6. Juni 2018, 22:39:
> >2) dynamic arrays can index directly into records and write to fields but > the [] operator overload can’t do this. > > I don't understand this, can you provide an example ? > With dynamic arrays that contain records you can do this: === code begin === var parr: array of TPoint; begin // init parr // ... parr[0].x := 42; end. === code end === However you can't do that with indexed properties (which is the feature that Ryan meant) as the value returned by the property getter is merely a copy and not a reference. For completeness sake: for primitive types (except ShortString) and implicit pointer types (classes, interfaces, dynamic arrays, string types except ShortString) this behavior is not relevant. Regards, Sven >
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