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ETSI's Bug Tracker - Part 01: TTCN-3 Core Language
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<tr class="even">
<td colspan="6" class="form-title">View Issue Details</td>
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<td class="print" width="16%">ID</td>
<td class="print" width="16%">Project</td>
<td class="print" width="16%">Category</td>
<td class="print" width="16%">View Status</td>
<td class="print" width="16%">Date Submitted</td>
<td class="print" width="16%">Last Update</td>
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<td class="print">0008197</td>
<td class="print">Part 01: TTCN-3 Core Language</td>
<td class="print">New Feature</td>
<td class="print">public</td>
<td class="print">20-01-2023 13:59</td>
<td class="print">23-01-2024 10:17</td>
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<td colspan="6" class="print-spacer"><hr /></td>
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<td class="print-category">Reporter</td>
<td class="print">Matthias Simon</td>
<td colspan="4" class="print"> </td>
</tr>
<tr class="even print">
<td class="print-category">Assigned To</td>
<td class="print">Jens Grabowski</td>
<td colspan="4" class="print"> </td>
</tr>
<tr class="odd print">
<td class="print-category">Priority</td>
<td class="print">normal</td>
<td class="print-category">Severity</td>
<td class="print">minor</td>
<td class="print-category">Reproducibility</td>
<td class="print">have not tried</td>
</tr>
<tr class="even print">
<td class="print-category">Status</td>
<td class="print">closed</td>
<td class="print-category">Resolution</td>
<td class="print">won't fix</td>
<td colspan="2" class="print"> </td>
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<tr class="odd print">
<td class="print-category">Platform</td>
<td class="print"></td>
<td class="print-category">OS</td>
<td class="print"></td>
<td class="print-category">OS Version</td>
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<td class="print-category">Product Version</td>
<td class="print"></td>
<td colspan="4" class="print"> </td>
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<td class="print-category">Target Version</td>
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<td class="print-category">Fixed in Version</td>
<td class="print"></td>
<td colspan="2" class="print"> </td>
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<td class="print-category">Clause Reference(s)</td>
<td colspan="4" class="print">6.2.5 -- Unions</td>
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<td class="print-category">Source (company - Author)</td>
<td colspan="4" class="print">Nokia - Matthias Simon</td>
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<td class="print-category">Summary</td>
<td colspan="5" class="print">0008197: Automatic Alternative Selection
for Unions</td>
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<td class="print-category">Description</td>
<td colspan="5" class="print">I suggest support for automatic
alternative selection for unions.<br />
<br />
This feature would make the use of unions more convenient and less
verbose. Additionally, it would also be helpful for specifying useful
predefined types such as Optional, Result, and others.<br />
Examples:<br />
<br />
type union Payload {<br />
    charstring name,<br />
    integer number,<br />
}<br />
<br />
var Payload p := "Joseph Malik"; // implicit field name is chosen
automatically<br />
<br />
// Question: automatic selection also for right hand side
contexts?<br />
if (p != 23) {<br />
   setverdict(fail, "unexpected payload");<br />
}<br />
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<td class="print-category">Steps To Reproduce</td>
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<td class="print-category">Additional Information</td>
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<td class="print-category">Tags</td>
<td colspan="5" class="print">No tags attached.</td>
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<td class="print-category">Relationships</td>
<td colspan="5" class="print"></td>
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<td class="print-category">Attached Files</td>
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<tr class="even">
<td colspan="6" class="print-spacer"><hr /></td>
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<td class="form-title">Issue History</td>
<td></td>
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<td class="row-category-history">Date Modified</td>
<td class="row-category-history">Username</td>
<td class="row-category-history">Field</td>
<td class="row-category-history">Change</td>
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<td class="print">20-01-2023 13:59</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=1237">Matthias
Simon</a></td>
<td class="print">New Issue</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">25-07-2023 12:30</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=783">Gusztáv
Adamis</a></td>
<td class="print">Note Added: 0016498</td>
<td class="print"></td>
<td></td>
<td></td>
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<tr class="odd print">
<td class="print">26-07-2023 10:45</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=1237">Matthias
Simon</a></td>
<td class="print">Note Added: 0016502</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">05-09-2023 09:06</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Note Added: 0016510</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">05-09-2023 09:06</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Assigned To</td>
<td class="print">=&gt; Matthias Simon</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">05-09-2023 09:06</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Status</td>
<td class="print">new =&gt; assigned</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">07-11-2023 14:28</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Note Added: 0016538</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">07-11-2023 14:28</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Status</td>
<td class="print">assigned =&gt; closed</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">07-11-2023 14:28</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Assigned To</td>
<td class="print">Matthias Simon =&gt; Jens Grabowski</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">07-11-2023 14:28</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Resolution</td>
<td class="print">open =&gt; won't fix</td>
<td></td>
<td></td>
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<td class="print">(0016498)</td>
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<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=783">Gusztáv
Adamis</a>   </td>
</tr>
<tr class="odd">
<td class="print">25-07-2023 12:30   </td>
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<td class="print">It will not work, if a union has two fields of the
same type<br />
<br />
type union Payload {<br />
    charstring name,<br />
    charstring birthplace,<br />
}<br />
<br />
var Payload p := "Joseph Malik"; // name or birthplace to be
chosen?</td>
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<td class="print">(0016502)</td>
</tr>
<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=1237">Matthias
Simon</a>   </td>
</tr>
<tr class="odd">
<td class="print">26-07-2023 10:45   </td>
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<td class="print">Yes, that's correct. The selection rules must include
that alternative selections shall be unambiguous.<br />
<br />
Thanks for the mention.</td>
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<td class="print">(0016510)</td>
</tr>
<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a>   </td>
</tr>
<tr class="odd">
<td class="print">05-09-2023 09:06   </td>
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<td class="print">TTF discussion: Proposal is not acceptable in its
current form. Matthias will work on a new proposal.</td>
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<td colspan="2" class="print-spacer"><hr /></td>
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data-cellspacing="1">
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<td class="print">(0016538)</td>
</tr>
<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a>   </td>
</tr>
<tr class="odd">
<td class="print">07-11-2023 14:28   </td>
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<td class="nopad" data-valign="top" width="85%"><table class="hide"
data-cellspacing="1">
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<td class="print">TTF discussion: Problems are bigger than benefit.</td>
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