[ruby-dev:42008] Re: [Feature #3675] String#prepend, String#>>

=1B$B$`$i$?$G$9!#=1B(B

On 2010/08/10, at 22:23, Yukihiro Matsumoto wrote:

> =1B$BHs>o$K6=3DL#?<$$$G$9!#$?$@!"$$$/$D$+5$$K$J$kE@$,$"$j$^$9!#=1B(B
>=20
> (1) =
=1B$B<BAu>e$N$3$H$G$9$,!"=1B(Bappend=1B$B$H0[$J$j!"=1B(Bprepend=1B$B$O!"J8=
;zNsNN0h=1B(B
>    =1B$B$r3HD%$7$?>e$G!"8=3D:_$NJ8;zNs$NFbMF$r%3%T!<$7!"$=3D$l$+$i0z=1B(=
B
>    =1B$B?t$NFbMF$r@hF,$+$i%3%T!<$9$k$3$H$K$J$j$^$9!#$D$^$j!"=1B(B
>=20
>     a =3D "foo" + a
>=20
>    =1B$B$HHf3S$7$F!"%3%9%H$O%*%V%8%'%/%H%"%m%1!<%7%g%s$R$H$D$7$+=1B(B
>    =1B$BJQ$o$j$^$;$s!#$=3D$l$,K\Ev$K$&$l$7$$$+$d$d5?Ld$G$9!#$b$C$H=1B(B
>    =
=1B$B$bD9$$L\$G8+$k$H=1B(BGC=1B$B$X$NIi2Y$,7Z$$$H$$$&%a%j%C%H$,=3DP$k%1!<=1B=
(B
>    =1B$B%9$b$"$k$G$7$g$&!#=1B(B

a >> b =1B$B$rFbItE*$K=1B(B=20

(i)  a.length =1B$B$r0];}$7$?$^$^=1B(B a << b =1B$B$9$k=1B(B
(ii) b =1B$B$N%]%$%s%?$r=1B(B a =1B$B$H6&M-$7!"=1B(B
     b.length =3D a.length + b.length =1B$B$H99?7$9$k!#=1B(B

=1B$B$3$&$9$k$H=1B(B a =3D "foo" + a =1B$B$HF1DxEY$N7W;;NL$G!"=1B(B
a >> b =1B$B$N5-K!$r<B8=3D$G$-$k$H;W$$$^$7$?!#=1B(B

--
Kenta Murata
OpenPGP FP =3D 1D69 ADDE 081C 9CC2 2E54  98C1 CEFE 8AFB 6081 B062

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=1B$B!X=1B(BRuby =1B$B5U0z$-%l%7%T!Y=1B(B =
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