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<p class="MsoNormal"><span lang="EN-GB">On Wed Jul 27 19:22:51 UTC 2022, Brian Goetz wrote:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">> It is a type of indeterminate ref-ness or val-ness. This will have both
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">restrict some old behavior and provide some new behavior. For example:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">> T t = null;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">> will generate an unchecked warning, since we can't be sure we're not
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">polluting the heap with nulls.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I seem to remember there being talks about `IdentityObject` and `ValueObject` interfaces or something similar, is this still planned. If so, would the warning go away if `T` has a typebound of `IdentityObject` and become
an error if it has a typebound of `ValueObject`<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Robbe Pincket</span><span lang="EN-GB"><o:p></o:p></span></p>
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