From: Tanaka Akira <akr@...17n.org>
Date: 2002-08-13T21:31:40+09:00
Subject: [ruby-dev:18004] allocation framework

In article <1029229143.399680.2549.nullmailer@picachu.netlab.jp>,
  matz@ruby-lang.org (Yukihiro Matsumoto) writes:

> allocate$B$NLdBj$@$1$O2rK!$,;W$$$D$+$J$$!#(B

$B$^$:!"$"$k%/%i%9$+$i$=$N%/%i%9$N9=B$$N7?$rF@$k$3$H$O4pK\E*$K$O<!$N$h$&(B
$B$K$7$F2DG=$@$H$$$&5$$,$7$^$9!#(B

class Class
  def builtin_type
    ancestors.each {|c|
      next unless Class === c
      s = class << c; self end
      return c if s.instance_methods.include? "allocate"
    }
    return Object
  end
end

$B$b$7!"$3$l$G7?$rF@$i$l$k$N$G$"$k$H$9$l$P!"3F(B allocate $B$O<+J,$,@8@.$9$k(B
$B7?$H!"(Bself (klass) $B$N$"$k$Y$-7?$,0lCW$9$k$3$H$r%*%V%8%'%/%H@8@.A0$K3N(B
$BG'$9$k$3$H$,$G$-$^$9!#(B

$B$G!"(Balias $B$X$NBP:v$O>e5-$N<BAu$,F0$+$J$/$J$k$3$H$r6X;_$9$k$h$&!"%/%i%9(B
$B$NFC0[%a%=%C%I$H$7$F$N(B allocate $B$X$N(B alias $B$r6X;_$9$l$P$$$$$s$8$c$J$$(B
$B$+$H;W$$$^$9!#(B

$B$`$m$s%J%$!<%V$K$d$k$HCY$$$G$7$g$&$,!"86M}E*$JOC$H$7$F$O$I$&$G$7$g$&(B?
$B4E$$$G$9$+$M(B?
-- 
[$BEDCf(B $BE/(B][$B$?$J$+(B $B$"$-$i(B][Tanaka Akira]
$B!V$U$($m(B! $B$o$+$a$A$c$s:n@o$G$9$(C"=$B!W(B(Little Worker, $B7KM7@84](B)