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Ruby Development
1

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e$B8=:_=P@JCf$Ne(BLoneStar RubyConfe$B$Ge(BJames Edward G.
II(e$B"(e(B)e$B$+$i;Xe(B
e$BE&$5$l$?$N$G$9$,!"e(B

*a = [1,2,3]

e$B$,!"e(B1.8e$B$G$Oe(B[[1,2,3]]e$B!"e(B1.9e$B$G$Oe(B[1,2,3]e$B$K$J$j$^$9!#e(B

def m(*a)
p a
end
m([1,2,3]) # => [[1,2,3]]

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e$B$?$i$7$$!#e(B

2

In article [email protected],
Yukihiro M. [email protected] writes:

m([1,2,3]) # => [[1,2,3]]

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[ruby-dev:38795] e$B$N:G8e$N$"$?$j$Ne(B

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| e$B$H$+e(B x = u e$B$H$+e(B x, = u e$B$H$+$G$“$k!#$3$N>l9g!”:81&$NBP1~$,<+L@$G$J$$$N$G$Je(B
| e$B$s$i$+$N:Y9)$,I,MW$K$J$k!#e(B
|
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| e$B$G$J$$>l9g$O3g8L$G3g$C$?$b$N$H$7$F2r<a$9$k$N$G$”$k!#$D$^$j!“e(B(x, y) = u e$B$H$+e(B
| x = [*u] e$B$H$+e(B (x,) = u e$B$H$+$G$”$k!#$3$l$K$h$jN>JU$,C1=c$K$J$k$N$GA4$F$NBeF~e(B
| e$B$OC1=cBeF~$K5"Ce$G$-$k$3$H$K$J$k!#e(B

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3

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:39181] Re: *ae$B$X$NBeF~$K$D$$$Fe(B”
on Fri, 28 Aug 2009 17:55:55 +0900, Tanaka A. [email protected]
writes:

|[ruby-dev:38795] e$B$N:G8e$N$“$?$j$Ne(B
|
|| e$BLdBj$O!”:8JU!&1&JU$N$I$A$i$+$@$1$,C1=c$G$J$$>l9g$G$“$k!#$?$H$($Pe(B x, y = u
|| e$B$H$+e(B x = u e$B$H$+e(B x, = u e$B$H$+$G$“$k!#$3$N>l9g!”:81&$NBP1~$,<+L@$G$J$$$N$G$Je(B
|| e$B$s$i$+$N:Y9)$,I,MW$K$J$k!#e(B
||
|| 1.9 e$B$K$$1$k$3$3$G$N:Y9)$O4JC1$J$b$N$G$”$k!#:8JU!&1&JU$=$l$>$l$K$D$$$FC1=ce(B
|| e$B$G$J$$>l9g$O3g8L$G3g$C$?$b$N$H$7$F2r<a$9$k$N$G$“$k!#$D$^$j!“e(B(x, y) = u e$B$H$+e(B
|| x = [*u] e$B$H$+e(B (x,) = u e$B$H$+$G$”$k!#$3$l$K$h$jN>JU$,C1=c$K$J$k$N$GA4$F$NBeF~e(B
|| e$B$OC1=cBeF~$K5"Ce$G$-$k$3$H$K$J$k!#e(B
|
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|
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