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    <font size="4"><font face="monospace">That's a good move.  Can we
        push further?  We have types here for mapping a key to a:<br>
        <br>
         - list of simple values<br>
         - list of arbitrary fragments <br>
         - list of printables<br>
         - list of list of printable (blocklist)<br>
        <br>
        <br>
      </font></font><br>
    <div class="moz-cite-prefix">On 7/25/2022 1:20 PM, Adam Sotona
      wrote:<br>
    </div>
    <blockquote type="cite" cite="mid:CY4PR1001MB21506E7A0F396BDE473248468C959@CY4PR1001MB2150.namprd10.prod.outlook.com">
      
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        <p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">Or
            maybe we could let the printer to auto-quote as needed by
            the actual value in the context of the actual format
          </span><span style="font-size:11.0pt;font-family:"Apple
            Color Emoji"" lang="EN-US">😊</span><span style="font-size:11.0pt" lang="EN-US"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">So
            yes, it can be reduced:<o:p></o:p></span></p>
        <pre style="margin-left:72.0pt;background:white"><span style="color:#336BDD">public</span><span style="color:black"> </span><span style="color:#336BDD">sealed</span><span style="color:black"> </span><span style="color:#336BDD">interface</span><span style="color:black"> <b>Printable</b> {</span></pre>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black"> </span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black">   
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">public</span><span style="font-family:"Courier New";color:black">
            String
            <b>key</b>();</span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black"> </span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black">   
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">public</span><span style="font-family:"Courier New";color:black">
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">sealed</span><span style="font-family:"Courier New";color:black">
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">interface</span><span style="font-family:"Courier New";color:black">
            <b><i>Fragment</i></b> </span><span style="font-family:"Courier New";color:#336BDD">extends</span><span style="font-family:"Courier New";color:black">
            Printable {}</span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black"> </span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black">   
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">public</span><span style="font-family:"Courier New";color:black">
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">record</span><span style="font-family:"Courier New";color:black">
            <i>Value</i>(String </span><span style="font-family:"Courier New";color:#CE54B8">key</span><span style="font-family:"Courier New";color:black">,
            <s>String</s> ConstantDesc </span><span style="font-family:"Courier New
            \;color\:\#CE54B8";color:black">value</span><span style="font-family:"Courier New";color:black">)
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">implements</span><span style="font-family:"Courier New";color:black">
            <i>Fragment</i> {}</span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black"> </span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black">   
          </span><s><span style="font-family:"Courier New
              \;color\:\#336BDD";color:black">public</span></s><s><span style="font-family:"Courier New";color:black">
            </span></s><s><span style="font-family:"Courier New
              \;color\:\#336BDD";color:black">record</span></s><s><span style="font-family:"Courier New";color:black">
              <i>Quoted</i>(String </span></s><s><span style="font-family:"Courier New";color:#CE54B8">key</span></s><s><span style="font-family:"Courier New";color:black">,
              String
            </span></s><s><span style="font-family:"Courier New
              \;color\:\#CE54B8";color:black">value</span></s><s><span style="font-family:"Courier New";color:black">)
            </span></s><s><span style="font-family:"Courier New
              \;color\:\#336BDD";color:black">implements</span></s><s><span style="font-family:"Courier New";color:black">
              <i>Fragment</i> {}</span><o:p></o:p></s></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black"> </span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black">   
          </span><s><span style="font-family:"Courier New
              \;color\:\#336BDD";color:black">public</span></s><s><span style="font-family:"Courier New";color:black">
            </span></s><s><span style="font-family:"Courier New
              \;color\:\#336BDD";color:black">record</span></s><s><span style="font-family:"Courier New";color:black">
              <i>Decimal</i>(String </span></s><s><span style="font-family:"Courier New";color:#CE54B8">key</span></s><s><span style="font-family:"Courier New";color:black">,
            </span></s><s><span style="font-family:"Courier New
              \;color\:\#336BDD";color:black">int</span></s><s><span style="font-family:"Courier New";color:black">
            </span></s><s><span style="font-family:"Courier New
              \;color\:\#CE54B8";color:black">value</span></s><s><span style="font-family:"Courier New";color:black">)
            </span></s><s><span style="font-family:"Courier New
              \;color\:\#336BDD";color:black">implements</span></s><s><span style="font-family:"Courier New";color:black">
              <i>Fragment</i> {}</span><o:p></o:p></s></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black"> </span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black">   
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">public</span><span style="font-family:"Courier New";color:black">
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">record</span><span style="font-family:"Courier New";color:black">
            <i>ValueList</i>(String </span><span style="font-family:"Courier New";color:#CE54B8">key</span><span style="font-family:"Courier New";color:black">,
            List<<s>String</s></span><span style="color:black">
          </span><span style="font-family:"Courier
            New";color:black">ConstantDesc> </span><span style="font-family:"Courier New
            \;color\:\#CE54B8";color:black">values</span><span style="font-family:"Courier New";color:black">)
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">implements</span><span style="font-family:"Courier New";color:black">
            <i>Fragment</i> {}</span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black"> </span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black">   
          </span><s><span style="font-family:"Courier New
              \;color\:\#336BDD";color:black">public</span></s><s><span style="font-family:"Courier New";color:black">
            </span></s><s><span style="font-family:"Courier New
              \;color\:\#336BDD";color:black">record</span></s><s><span style="font-family:"Courier New";color:black">
              <i>QuotedList</i>(String </span></s><s><span style="font-family:"Courier New";color:#CE54B8">key</span></s><s><span style="font-family:"Courier New";color:black">,
              List<String>
            </span></s><s><span style="font-family:"Courier New
              \;color\:\#CE54B8";color:black">values</span></s><s><span style="font-family:"Courier New";color:black">)
            </span></s><s><span style="font-family:"Courier New
              \;color\:\#336BDD";color:black">implements</span></s><s><span style="font-family:"Courier New";color:black">
              <i>Fragment</i> {}</span><o:p></o:p></s></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black"> </span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black">   
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">public</span><span style="font-family:"Courier New";color:black">
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">record</span><span style="font-family:"Courier New";color:black">
            <i>Mapping</i>(String </span><span style="font-family:"Courier New";color:#CE54B8">key</span><span style="font-family:"Courier New";color:black">,
            List<<i>Fragment</i>>
          </span><span style="font-family:"Courier New
            \;color\:\#CE54B8";color:black">fragments</span><span style="font-family:"Courier New";color:black">)
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">implements</span><span style="font-family:"Courier New";color:black">
            Printable {}</span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black"> </span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black">   
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">public</span><span style="font-family:"Courier New";color:black">
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">record</span><span style="font-family:"Courier New";color:black">
            <i>BlockMapping</i>(String </span><span style="font-family:"Courier New";color:#CE54B8">key</span><span style="font-family:"Courier New";color:black">, 
            List<Printable>
          </span><span style="font-family:"Courier New
            \;color\:\#CE54B8";color:black">printables</span><span style="font-family:"Courier New";color:black">)
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">implements</span><span style="font-family:"Courier New";color:black">
            Printable {}</span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black"> </span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black">   
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">public</span><span style="font-family:"Courier New";color:black">
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">record</span><span style="font-family:"Courier New";color:black">
            <i>BlockList</i>(String </span><span style="font-family:"Courier New";color:#CE54B8">key</span><span style="font-family:"Courier New";color:black">, 
            List<<i>BlockMapping</i>>
          </span><span style="font-family:"Courier New
            \;color\:\#CE54B8";color:black">blockMappings</span><span style="font-family:"Courier New";color:black">)
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">implements</span><span style="font-family:"Courier New";color:black">
            Printable {}</span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black"> </span></p>
        <p class="MsoNormal" style="margin-left:72.0pt;background:white"><span style="font-family:"Courier New";color:black">   
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">public</span><span style="font-family:"Courier New";color:black">
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">record</span><span style="font-family:"Courier New";color:black">
            <i>Comment</i>(String </span><span style="font-family:"Courier New";color:#CE54B8">key</span><span style="font-family:"Courier New";color:black">)
          </span><span style="font-family:"Courier New
            \;color\:\#336BDD";color:black">implements</span><span style="font-family:"Courier New";color:black">
            Printable {}</span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US"><o:p> </o:p></span></p>
        <div>
          <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">On 25.07.2022 19:03,
              "classfile-api-dev"
              <a class="moz-txt-link-rfc2396E" href="mailto:classfile-api-dev-retn@openjdk.org"><classfile-api-dev-retn@openjdk.org></a> wrote:<o:p></o:p></span></p>
        </div>
        <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
        <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt" lang="EN-US">Unfortunately it is
            format-specific.</span></p>
        <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt" lang="EN-US">We can unify it down
            to “all-quoted” however the visual benefits will be lost.</span></p>
        <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt" lang="EN-US"> </span></p>
        <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt" lang="EN-US"> </span></p>
        <div>
          <p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:11.0pt">On 25.07.2022 19:00, "Brian
              Goetz" <a class="moz-txt-link-rfc2396E" href="mailto:brian.goetz@oracle.com"><brian.goetz@oracle.com></a> wrote:</span></p>
        </div>
        <p class="MsoNormal" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:12.0pt;margin-left:72.0pt"><span style="font-size:11.0pt"><br>
          </span><span style="font-size:13.5pt;font-family:"Courier
            New"">This seems like nice progress.  I wonder if we
            can boil it down further?  Can we, for example, get rid of
            Quoted by Plain(key, "\"value\""), and such? 
            <br>
            <br>
            <br>
          </span></p>
        <div>
          <p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:11.0pt">On 7/25/2022 12:40 PM, Adam
              Sotona wrote:</span></p>
        </div>
        <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
          <p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:11.0pt" lang="EN-US">During the
              experiments I found generic map-of-maps is too loose and
              missing any formatting information.
            </span></p>
          <p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:11.0pt" lang="EN-US">The API below has
              been derived from the requirements of the actual
              ClassPrinter and made as a minimal set of formatting
              features unified for producing JSON, YAML and XML.</span></p>
          <p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:11.0pt" lang="EN-US">The API also tries
              to avoid problematic combinations (for example list of
              lists is not possible, but list of maps of lists works
              perfectly).</span></p>
          <p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:11.0pt" lang="EN-US">Each Classfile API
              model can provide its printable form in the future.</span></p>
          <p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:11.0pt" lang="EN-US">Printers
              implementations are generic and very simple (~80 lines of
              code each, mainly one big switch expression) and custom
              printers can be implemented.
            </span></p>
          <p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:11.0pt" lang="EN-US"> </span></p>
          <p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:11.0pt" lang="EN-US">Please let me know
              your comments before I start rewriting the ClassPrinter
              into this intermediate form.</span></p>
          <p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:11.0pt" lang="EN-US"> </span></p>
          <p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:11.0pt" lang="EN-US">Thanks,</span></p>
          <p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:11.0pt" lang="EN-US">Adam</span></p>
          <p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:11.0pt" lang="EN-US"> </span></p>
          <p class="MsoNormal" style="mso-margin-top-alt:0cm;margin-right:36.0pt;margin-bottom:0cm;margin-left:108.0pt;margin-bottom:.0001pt"><o:p> </o:p></p>
        </blockquote>
        <p class="MsoNormal" style="margin-left:72.0pt"><o:p> </o:p></p>
      </div>
    </blockquote>
    <br>
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