From: Tanaka Akira <akr@...17n.org>
Date: 2002-01-18T20:57:02+09:00
Subject: [ruby-dev:15719] inconsistency between Array#fetch and Hash#fetch

$B$U$H5$$,$D$$$?$N$G$9$,!"(B
Hash#fetch $B$GBP1~$9$k80$,$J$$;~$K$ONc30$,H/@8$9$k$N$K!"(B
Array#fetch $B$G$O%$%s%G%C%/%9$,HO0O30$N$H$-$K$O(B nil $B$rJV$9$h$&$G$9!#(B
($B%*%W%7%g%J%k0z?t$,;XDj$5$l$F$$$J$$>l9g$NOC$G$9!#(B)

$B$^$!!"%j%U%!%l%s%9%^%K%e%"%k$K=q$$$F$"$kDL$j$GL7=b$O$J$$$s$G$9$,!"(B
Array#fetch $B$ONc30$r=P$7$?J}$,0l4S@-$,$"$C$F$$$$$s$8$c$J$$$G$7$g$&$+!#(B

nil $B$rJV$95sF0$,M_$7$$;~$K$O(B [] $B$,;H$($^$9$7!"F3F~$5$l$?$N$O(B 1.7 $B$J$N(B
$B$G8_49@-$NLdBj$b$"$j$^$;$s$7!#(B
-- 
[$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)