The packed keyword is only legal for set, array, record, object, class and file types. In contrast to the 16-bit version of Delphi, packed will affect the layout of record, object and class types.
program Produce; type SmallReal = packed Real; begin end.
Packed can not be applied to a real type - if you want to conserve storage, you need to use the smallest real type, type Single.
program Solve; type SmallReal = Single; begin end.
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