# \[Ruby 1.9 - Bug #408\] (Closed) Array#\[\]= 要素数が減るとき

**URL:** <https://www.ruby-forum.com/t/ruby-1-9-bug-408-closed-array-bmwag-t-8-k-h-b/145541>\
**Category:** Development\
**Created:** [August 11, 2008, 12:15pm UTC](https://www.ruby-forum.com/t/ruby-1-9-bug-408-closed-array-bmwag-t-8-k-h-b/145541 "2008-08-11T12:15:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Yukihiro\_M](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c57346/32.png) [@Yukihiro\_M](https://www.ruby-forum.com/u/Yukihiro_M)\
**Post date:** [August 11, 2008, 12:15pm UTC](https://www.ruby-forum.com/t/ruby-1-9-bug-408-closed-array-bmwag-t-8-k-h-b/145541/1 "2008-08-11T12:15:41Z")

</div>

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e$B%9%F!\<%?%9e(B Opene$B$+$ie(BClosede$B$KJQ99e(B

e$B$3$l$Oe(B1.9e$B$G$N;EMMJQ99$G$9!#e(B

1.9e$B$G$Oe(Bnile$B$OMWAG$N:o=|$H$$$&FCJL$JLr3d$r\<:$$$^$7$?!#e(B  
e$B$G$9$+$ie(B ary[n,m]=nil e$B$Oe(B ary[n,m]=4  
e$B$HF1MM$Ke(Bnile$B$rA^F~$7$^$9!#e(B

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[http://redmine.ruby-lang.org/issues/show/408](http://redmine.ruby-lang.org/issues/show/408)