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So it comes down to what "being abstract" actually means in the environment. :-) I think it means #== considering the current VM and the role of classes. Not sure in a the generic, object-oriented sense, though.<div><br></div><div>Best,</div><div>Marcel</div><div class="mb_sig"></div><blockquote class="history_container" type="cite" style="border-left-style:solid;border-width:1px; margin-top:20px; margin-left:0px;padding-left:10px;">
<p style="color: #AAAAAA; margin-top: 10px;">Am 10.12.2017 00:02:06 schrieb Chris Muller <asqueaker@gmail.com>:</p>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"><div dir="ltr">With objects you should delegate to the the receiver to decide what #= means -- which in most cases will inherit that default implementation from Object anyway. Sending #== is generally bad form.<div><br></div><div>Converting uses of #= to #== for "performance" is a bad idea except in the most inner, performance-critical code, and even then, it should be with a comment.</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Dec 7, 2017 at 2:30 AM, Marcel Taeumel <span dir="ltr"><<a href="mailto:marcel.taeumel@hpi.de" target="_blank">marcel.taeumel@hpi.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div id="m_-5716622036691338169__MailbirdStyleContent" style="font-size: 12pt;font-family: calibri;color: #000000">Hi, there.<div class="m_-5716622036691338169mb_sig"></div><div><br></div><div>What are your thoughts on how to implement "MyClass class >> #isAbstract"? I think that one should always use #== and compare it to an actual class object like this:</div><div><br></div><div>MyClass class >> #isAbstract</div><div> ^ self == MyClass</div><div><br></div><div>At the time of writing, we have various attempts in your image. You can browse them easily:</div><div><br></div><div><img src="cid:1e500664-faa6-4753-9150-74da92b4d680" width="auto"></img></div><div><br></div><div>Best,</div><div>Marcel</div></div><br><br>
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