Rod Adams skribis 2005-05-14 20:09 (-0500): > >>o. > >>O. > >>this. > >>self. > >>me. > >Not special syntax, meaning you can no longer use these identifiers for > >your own class. Bad style to use single-letter identifiers, but we know > >what trouble $a and $b in Perl 5 cause, and the B:: namespace. > I believe they could all be implemented as a global function that > returns $CALLER::?SELF, or however you spell that.
They can, but that does not free up the identifiers for user definition. I wonder how CALLER::'s $?SELF is written too :) > >>° (an idea I just had. would likely need a 7-bit option as well) > >Not on any of the keyboards that I regularly use, and the > >ascii-equivalent would be \w, which has the problems described above. > Neither is ¥ (except in Japan, but I don't think that was a deciding > factor), which has a 7-bit version that isn't even infix. However, it is > in the extended ASCII table, same as « » ¥. so the 7-bit version could > just be $?SELF, and act as an encouragement for people to get better > editors. With the Windows US-International keyboard layout, it's > AltGr-Shift-; Other systems should have standard ways to type it as well. Yen has an ascii equivalent that is \w, but that doesn't clash with identifiers because Y is an infix operator. Terms are not expected there. There is no "extended" or "8-bit" ASCII. ASCII is 7 bits by definition and has 128 characters. The character set you're using is called iso-8859-1, also known as latin-1. I don't buy the "encouragement to get better editors" thing. Using digraphs in the editor is extremely poor huffmanization, even though the end result is short. Juerd -- http://convolution.nl/maak_juerd_blij.html http://convolution.nl/make_juerd_happy.html http://convolution.nl/gajigu_juerd_n.html
