From: Tanaka Akira <akr@...17n.org>
Date: 2002-01-05T12:15:27+09:00
Subject: [ruby-dev:15637] Re: rb_hash_initialize

In article <200201041558.g04FwYVI011923@smtp16.dti.ne.jp>,
  Takaaki Tateishi <ttate@kt.jaist.ac.jp> writes:

> Hash#call $B$H$$$&$N$b(B Hash $B$N0UL#$+$i$O$:$l$F$7$^$&5$$b$7$^$9$,!$(B
> $B<B9T7k2L$r%-%c%C%7%e$9$k$H$$$&;H$o$lJ}$r$9$k>l9g$K$O!$(Bcall $B$,$"(B
> $B$kJ}$,NI$$5$$,$7$^$9!%(B

$BOC$OJQ$o$j$^$9$,!";d$b(B hash $B$r%-%c%C%7%e$K;H$&$3$H$,IQHK$K$"$j$^$9!#$=(B
$B$&$$$&$H$-!";d$O!"(B

  hash.fetch(key) { hash[key] = exp }

$B$H=q$/$N$G$9$,!"$=$N$?$S$KKh2s(B 

  hash.fetch!(key) { exp }

$B$H=q$-$?$$$J$!!"$H$$$&5$J,$K$J$j$^$9!#$G$-$l$P(B fetch! $B$rF3F~$7$FM_$7$$(B
$B$s$G$9$,!"$I$&$G$7$g$&(B? [ruby-dev:13982] $B$K<BAu$,$"$j$^$9$7!#(B
-- 
[$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)