e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B
In message “Re: [ruby-dev:38500] Re: [Feature:trunk] enhancement of
Array#drop”
on Wed, 20 May 2009 00:06:19 +0900, “U.Nakamura”
[email protected] writes:
|| drop_whilee$B$H$O0c$&$N$G$9$M!#e(B
|
|e$B;d$,40c$$$7$F$J$1$l$P!“e(Bdrop_whilee$B$O!V$”$k>r7o$K9gCW$9$kMWAGe(B
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|e$B$&$G$9!#e(B
e$B0c$$$^$9!#e(Bdrop_whilee$B$O!V$"$k>r7o$K9gCW$9$k4V!"MWAG$r@hF,$+$ie(B
e$B:o=|$9$k!W$G$9!#e(BRDoce$B$+$iNcBj$r0zMQ$9$k$He(B
a = [1, 2, 3, 4, 5, 0]
a.drop_while {|i| i < 3 } # => [3, 4, 5, 0]
e$B$G$9!#$3$l$O!"$&$5$5$s$,:G=i$K=q$$$?e(B
Rubye$B$G%9%/%j%W%H$r=q$$$F$$$F!“G[Ns$+$i!”$“$k>r7o$K9gCW$9$k@he(B
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e$B!Ve(Bdrop_while e$B$H$O0c$&$N$G$9$M!W$HJ9$$$?$o$1$G!#e(B
e$B$?$@!"$J$+$@$5$s$,:n$C$?%Q%C%A$N5sF0$,e(B
[:a, :b, :a, :b].drop(1){|e| e == :b} #=> [:a, :a, :b]
[:a, :b, :a, :b].drop(2){|e| e == :b} #=> [:a, :a]
e$B$@$=$&$G$9$+$i!"$3$l$O!V0z?t$G;XDj$7$?HO0OFb$G>r7o$rK~$?$9MWe(B
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e$B$3$C$A$J$s$G$9$+!)e(B
e$B$=$&$$$&%a%=%C%I$,B8:_$7$F$O$$$1$J$$$H$O8@$$$^$;$s$,!"$@$H$7e(B
e$B$F$b!"e(Bdrope$B$N3HD%$H$7$F$OH?BP$7$^$9!#e(B
-
e$B$^$:%V%m%C%/$rM?$($J$$>l9g$HM?$($?>l9g$G0z?t$N0UL#$,$^$Ce(B
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-
drope$B$@$1$=$N$h$&$J%K!<%:$,FC$K9b$$$H$O$K$o$+$K?.$8$i$l$Je(B
e$B$$!#$d$k$J$i!"$`$7$m!"HO0O$r@)8B$9$k%U%#%k%?$H$J$k$h$&$Je(B
Enumerator e$B$rJV$9%a%=%C%I$rMQ0U$7$F!"e(B
ary.xxx(0,1).delete(elem)
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|e$BJ*$Oe(B ary.delete_at(ary.index(elem)) e$B$H=q$1$^$9!#e(B
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e$B$9MWAG$r$9$Y$F:o=|$9$k!We(Bdrop_whilee$B$H$O0c$C$F!”!V@hF,$8$c$J$/e(B
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e$B$=$l$J$i!“$[$7$$$b$N$O$$7$m!V:G=i$N$R$H$D$7$+:o=|$7$J$$e(B deletee$B!W$J$s$8$c$J$$$G$9$+!)e(B delete_firste$B$H$+e(Bdelete_oncee$B$H$+e(B e$B$J$s$H$+!#$$7$me(Bdeletee$B$,$R$H$DMWAG$r:o=|$7$F!“e(Bdelete_alle$B$,A4e(B
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