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<p><font size="4">Hum, ok I see.</font></p>
<p><font size="4">I will change again the unicode related paragraph.
If I am understanding right, the implementation have been
recently updated to have the behavior you describe.</font></p>
<p><font size="4">I observe now this behavior, contrary to the one
documented in the book:</font></p>
<p><font size="4">'sur' == 'sur' copy -> false <br>
'sûr' == 'sûr' copy -> true <br>
</font></p>
<p><br>
</p>
<div class="moz-cite-prefix">Le 22/02/2023 à 13:24, Ignacio
Sniechowski a écrit :<br>
</div>
<blockquote type="cite"
cite="mid:CAMCzT-bPkAg2Ga-3PeZBBvS2N6WObNa=zpnyDC4tD3Y6dM0+xQ@mail.gmail.com">
<div class="gmail_default"
style="font-family:monospace;font-size:large">Yes,</div>
<div class="gmail_default"
style="font-family:monospace;font-size:large">I can confirm
that. But also what puzzles me is the fact that as per The Cuis
Book all strings in Cuis are Unicode (UTF-8) so there must be
instances of UnicodeString.</div>
</blockquote>
<p>Yep, things evolved in Cuis, I will update the book. Thanks for
the finding.</p>
<p>I will borrow your examples if you don't mind.<br>
</p>
<blockquote type="cite"
cite="mid:CAMCzT-bPkAg2Ga-3PeZBBvS2N6WObNa=zpnyDC4tD3Y6dM0+xQ@mail.gmail.com">
<div class="gmail_default"
style="font-family:monospace;font-size:large">But 'hello' is
just an instance of class String and being an instance of class
String makes it mutable while UnicodeStrings are immutable.</div>
<div class="gmail_default"
style="font-family:monospace;font-size:large"><br>
</div>
<div class="gmail_default"
style="font-family:monospace;font-size:large">Here is the case:</div>
<div class="gmail_default"
style="font-family:monospace;font-size:large">'hello' class.
" String "<br>
'hello' at: 2 put: $a; yourself. " 'hallo' "<br>
<br>
'paragüas' at: 6. "$ü" <br>
'paragüas' class. "
UnicodeString "<br>
'paragüas' at: 6 put: $u. "Instances
of UnicodeString are not indexable"<br>
'paragüas' asByteString class. " String "<br>
'paragüas' asByteString at: 6 put: $u; yourself. " 'paraguas'
"<br>
</div>
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<div><b><font size="2"><br>
</font></b></div>
<div><b><font size="2"><br>
</font></b></div>
<div><font size="2"><span
class="gmail_default"
style="font-family:monospace;font-size:large">So
my confusion comes from this
paragraph:</span></font></div>
<div><font size="2"><span
class="gmail_default"
style="font-family:monospace;font-size:large"><b><br>
</b></span></font></div>
<div><i
style="font-family:monospace">"<span
style="font-size:11pt;font-family:CMB10">Note. </span><span
style="font-size:11pt;font-family:CMR10">We
wrote earlier a string is a
collection of characters. It
is true for byte string, where
each character is encoded with
a byte – a byte string.
However since 2023, the
default string format for
Cuis-Smalltalk is Unicode
(UTF-8) where each character
can be encoded with 1, 2, 3 or
4 bytes. Therefore it is
immutable and can not be
indexed, it can be converted
as byte string with the
message </span><span
style="font-size:11pt;font-family:CMTT10">#asByteString</span><span
style="font-size:11pt;font-family:CMR10">."</span></i></div>
<div><font size="2"><span
class="gmail_default"
style="font-family:monospace;font-size:large"><b><br>
</b></span></font></div>
<div><font size="2"><span
class="gmail_default"
style="font-family:monospace;font-size:large">It
seems that not all strings are
UnicodeStrings by default
unless they have a Unicode
character.</span><br>
</font></div>
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</blockquote>
<p>Yep, the behavior in Cuis changed. It was not a good idea of me
to update the book too quickly while Cuis was in flux, but that's
fine.<br>
</p>
<p><br>
</p>
<p><br>
</p>
<blockquote type="cite"
cite="mid:CAMCzT-bPkAg2Ga-3PeZBBvS2N6WObNa=zpnyDC4tD3Y6dM0+xQ@mail.gmail.com">
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<div><b><font size="2"><span
class="gmail_default"
style="font-family:monospace;font-size:large">Thanks
Hilaire!</span></font></b></div>
<div><b><font size="2"><span
class="gmail_default"
style="font-family:monospace;font-size:large">cheers</span></font></b></div>
<div><b><font size="2"><span
class="gmail_default"
style="font-family:monospace;font-size:large"></span></font></b></div>
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</blockquote>
<pre class="moz-signature" cols="72">--
GNU Dr. Geo
<a class="moz-txt-link-freetext" href="http://drgeo.eu">http://drgeo.eu</a>
<a class="moz-txt-link-freetext" href="http://blog.drgeo.eu">http://blog.drgeo.eu</a></pre>
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