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<p class="MsoNormal">Thanks Angelos!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Angelos Bimpoudis <angelos.bimpoudis@oracle.com>
<br>
<b>Sent:</b> Wednesday, October 18, 2023 3:25 PM<br>
<b>To:</b> Yuriy Maslyanko <yuriy.maslyanko@oracle.com><br>
<b>Cc:</b> compiler-dev@openjdk.org<br>
<b>Subject:</b> Re: JEP 455: JLS change for switch expressions<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:"Segoe UI",sans-serif;color:black">Correct and good catch! <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Segoe UI",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Segoe UI",sans-serif;color:black">Spec updated.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Segoe UI",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Segoe UI",sans-serif;color:black">Many thanks
</span><span style="font-family:"Segoe UI Emoji",sans-serif;color:black">🚀</span><span style="font-family:"Segoe UI",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> Yuriy Maslyanko <<a href="mailto:yuriy.maslyanko@oracle.com">yuriy.maslyanko@oracle.com</a>><br>
<b>Sent:</b> 18 October 2023 23:38<br>
<b>To:</b> Angelos Bimpoudis <<a href="mailto:angelos.bimpoudis@oracle.com">angelos.bimpoudis@oracle.com</a>><br>
<b>Cc:</b> <a href="mailto:compiler-dev@openjdk.org">compiler-dev@openjdk.org</a> <<a href="mailto:compiler-dev@openjdk.org">compiler-dev@openjdk.org</a>><br>
<b>Subject:</b> JEP 455: JLS change for switch expressions</span> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="xmsonormal">Hi Angelos,<o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal">JCK team started working on JEP 455: Primitive types in Patterns, instanceof, and switch (Preview). Just noticed that in the draft spec,
<a href="https://cr.openjdk.org/~abimpoudis/instanceof/jep443-20231010/specs/instanceof-jls.html">
https://cr.openjdk.org/~abimpoudis/instanceof/jep443-20231010/specs/instanceof-jls.html</a>, there is a change for the switch statement:<o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal">14.11 The switch Statement<o:p></o:p></p>
<p class="xmsonormal">The <em><span style="font-family:"Calibri",sans-serif">Expression</span></em> is called the
<em><span style="font-family:"Calibri",sans-serif">selector expression</span></em>. The type of the selector expression must be
<code><span style="font-size:10.0pt">char</span></code>, <code><span style="font-size:10.0pt">byte</span></code>,
<code><span style="font-size:10.0pt">short</span></code>, <code><span style="font-size:10.0pt">int</span></code>, or a reference type, or a compile-time error occurs. (jls-14.11-200)<o:p></o:p></p>
<p class="xmsonormal">-><o:p></o:p></p>
<p class="xmsonormal">The <em><span style="font-family:"Calibri",sans-serif">Expression</span></em> is called the
<em><span style="font-family:"Calibri",sans-serif">selector expression</span></em>. The type of the selector expression
<strong><span style="font-family:"Calibri",sans-serif">can be either a primitive or a reference type.</span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span style="font-family:"Calibri",sans-serif;font-weight:normal"> </span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span style="font-family:"Calibri",sans-serif;font-weight:normal">But the corresponding assertion for switch expressions is not changed:</span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span style="font-family:"Calibri",sans-serif;font-weight:normal"> </span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span style="font-family:"Calibri",sans-serif;font-weight:normal">15.28. switch Expressions</span></strong><o:p></o:p></p>
<p class="xmsonormal">The <em><span style="font-family:"Calibri",sans-serif">Expression</span></em> is called the
<em><span style="font-family:"Calibri",sans-serif">selector expression</span></em>. The type of the selector expression must be
<code><span style="font-size:10.0pt">char</span></code>, <code><span style="font-size:10.0pt">byte</span></code>,
<code><span style="font-size:10.0pt">short</span></code>, <code><span style="font-size:10.0pt">int</span></code>, or a reference type, or a compile-time error occurs. (jls-15.28-200)<o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal"><strong><span style="font-family:"Calibri",sans-serif;font-weight:normal">Could you please take a look?</span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span style="font-family:"Calibri",sans-serif;font-weight:normal"> </span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span style="font-family:"Calibri",sans-serif;font-weight:normal">Thanks,</span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span style="font-family:"Calibri",sans-serif;font-weight:normal">Yuriy</span></strong><o:p></o:p></p>
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