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IDProjectCategoryView StatusDate SubmittedLast Update
0007920Ext Pack: Object-oriented features (ES 203 790)[All Projects] Generalpublic09-04-2020 09:1228-12-2020 11:09
ReporterKristóf Szabados 
Assigned ToJens Grabowski 
PrioritynormalSeverityminorReproducibilityhave not tried
StatusclosedResolutionfixed 
PlatformOSOS Version
Product VersionV1.2.1 (published 2020-05) 
Target VersionV1.3.1 (ongoing)Fixed in Version 
Summary0007920: Clarification request: how should equality/inequality work for objects?
DescriptionAccording to the currently available version of the OO extension (v1.1.1) the equality/inequality operators can be used with object instances, but only to check if they are null or not.
"An object variable or parameter may be compared with the special value null with the equality and inequality operators or can be assigned the special value null explicitly."

It would be benefitial if objects could be compared.
Also it should be done by their references to see if two object instances are actually the same.

But comparing based on members (like done for record/set and other types) should not work for objects. Since objects of very different types might have the same member fields and function names, but very different operational semantics described within those functions.
TagsNo tags attached.
Attached Filesdocx file icon CR7920.docx [^] (131,696 bytes) 11-08-2020 10:10

- Relationships

-  Notes
(0015656)
Jacob Wieland - Spirent (reporter)
28-05-2020 09:12

 Of course, the intention was that object can be compared via comparing their instances as is usual in object-oriented languages. If that is not yet in the standard, that needs to be added.
(0015676)
Jacob Wieland - Spirent (reporter)
11-08-2020 10:11

 added section on comparison operators in the objects section, please review
(0015696)
Kristóf Szabados (reporter)
11-08-2020 15:27

 looks good for me.
(0015720)
Tomas Urban (developer)
13-08-2020 08:51

 The proposed solution fixes the issue described in this CR and can be added to the next version of the standard.

- Issue History
Date Modified Username Field Change
09-04-2020 09:12 Kristóf Szabados New Issue
14-04-2020 12:31 Kristóf Szabados Summary Clarification request: who should equality/inequality work for objects? => Clarification request: how should equality/inequality work for objects?
28-05-2020 09:12 Jacob Wieland - Spirent Note Added: 0015656
10-08-2020 10:26 Jens Grabowski Assigned To => Jacob Wieland - Spirent
10-08-2020 10:26 Jens Grabowski Status new => assigned
11-08-2020 10:10 Jacob Wieland - Spirent File Added: CR7920.docx
11-08-2020 10:11 Jacob Wieland - Spirent Note Added: 0015676
11-08-2020 10:11 Jacob Wieland - Spirent Assigned To Jacob Wieland - Spirent => Tomas Urban
11-08-2020 10:11 Jacob Wieland - Spirent Status assigned => confirmed
11-08-2020 15:27 Kristóf Szabados Note Added: 0015696
13-08-2020 08:51 Tomas Urban Note Added: 0015720
13-08-2020 08:51 Tomas Urban Status confirmed => resolved
13-08-2020 08:51 Tomas Urban Resolution open => fixed
13-08-2020 08:51 Tomas Urban Assigned To Tomas Urban => Jens Grabowski
17-12-2020 16:22 Gyorgy Rethy Product Version => V1.2.1 (published 2020-05)
17-12-2020 16:22 Gyorgy Rethy Target Version => V1.3.1 (ongoing)
28-12-2020 11:09 Jens Grabowski Status resolved => closed

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