(v,) = [[]]

Ruby Development
1

(v,) = [[]] e$B$H$7$?$H$-$Ne(B v e$B$NCM$,e(B 1.8 e$B$He(B 1.9
e$B$G0c$&$N$G$9e(B
e$B$,!"$3$l$O0U?^$5$l$?$b$N$G$7$g$&$+!#e(B

% ./ruby -ve ‘(v,) = [[]]; p v’
ruby 1.9.0 (2007-07-04 patchlevel 0) [i686-linux]
nil

% ruby-1.8 -ve ‘(v,) = [[]]; p v’
ruby 1.8.6 (2007-07-02 patchlevel 5000) [i686-linux]
[]

2

In article [email protected],
Tanaka A. [email protected] writes:

(v,) = [[]] e$B$H$7$?$H$-$Ne(B v e$B$NCM$,e(B 1.8 e$B$He(B 1.9 e$B$G0c$&$N$G$9e(B
e$B$,!"$3$l$O0U?^$5$l$?$b$N$G$7$g$&$+!#e(B

e$B$&$%$`!#$3$l$Oe(B [ruby-dev:29584] e$B$GJQ$o$C$?$h$&$G$9$M!#e(B

e$B;d$O0U?^$7$F$$$J$+$C$?$N$G!“0U?^$7$?JQ99$G$O$”$j$^$;$s!#8e$Ge(B
e$BD>$7$F$*$-$^$9!#e(B