# \[Ruby 1.9 - Bug #408\] Array#\[\]= $BMWAG?t$,8:$k$H$-(B

**URL:** <https://www.ruby-forum.com/t/ruby-1-9-bug-408-array-bmwag-t-8-k-h-b/145561>\
**Category:** Development\
**Created:** [August 11, 2008, 4:37pm UTC](https://www.ruby-forum.com/t/ruby-1-9-bug-408-array-bmwag-t-8-k-h-b/145561 "2008-08-11T16:37:20Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**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, 4:37pm UTC](https://www.ruby-forum.com/t/ruby-1-9-bug-408-array-bmwag-t-8-k-h-b/145561/1 "2008-08-11T16:37:20Z")

</div>

e$B%A%1%C%He(B #408 e$B$,99?7$5$l$^$7$?!#e(B (by Yukihiro M.)

e$B$7$+$7!"e(B

a = %w"A B C D E"; a[-2, 2] = 4; p a

e$B$Oe(B1.8e$B$G$be(B[“A”, “B”, “C”, 4]e$B$K$J$j$^$9$+$i!"e(B

a = %w"A B C D E"; a[-2, 2] = nil; p a

e$B$,e(B[“A”, “B”, “C”,  
nil]e$B$K$J$k$H$$$&$N$O$`$7$m0l4S@-$,A}$7$F$$$k$H;W$$$^$9!#e(B

* * *

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