# Array#\[\]=(pos, length, val) and Array#\[\]=(range, val)

**URL:** <https://www.ruby-forum.com/t/array-pos-length-val-and-array-range-val/111299>\
**Category:** Development\
**Created:** [August 5, 2007, 7:10am UTC](https://www.ruby-forum.com/t/array-pos-length-val-and-array-range-val/111299 "2007-08-05T07:10:26Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![sheepman](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/d07c76/32.png) [@sheepman](https://www.ruby-forum.com/u/sheepman)\
**Post date:** [August 5, 2007, 7:10am UTC](https://www.ruby-forum.com/t/array-pos-length-val-and-array-range-val/111299/1 "2007-08-05T07:10:26Z")

</div>

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Array#[]=(pos, length, val) e$B$Ne(B length e$B$Ke(B 0  
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pos e$B$ND\>A0$Ke(B val e$B$,A^F~$5$l$k$H$$$&$N$O!”;EMM$G$9$h$M!#e(B

[http://www.ruby-lang.org/ja/man/index.cgi?cmd=view;name=Array#self.5bstart.2c.20length.5d.3dval](http://www.ruby-lang.org/ja/man/index.cgi?cmd=view;name=Array#self.5bstart.2c.20length.5d.3dval)

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[http://doc.loveruby.net/refm/api/view/method/Array/i/=5b=5d=3d](http://doc.loveruby.net/refm/api/view/method/Array/i/=5b=5d=3d)

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e$B$"$H$3$l$O;EMM$J$N$+J,$+$i$J$$$N$G$9$,!“e(B  
Array#[]=(range, val) e$B$Ne(B range e$B$Ne(B first e$B$,e(B end  
e$B$h$j$b8e$K$”$k\>l9g!"e(B  
val e$B$,e(B first e$B$ND\>A0$KA^F~$5$l$k$N$O;EMM$J$N$G$7$g$&$+!#e(B

$ cat t.rb  
a = [0, 1, 2, 3]  
a[2…0] = [‘a’, ‘b’]  
p a

$ ruby-1.8 -v t.rb  
ruby 1.8.6 (2007-06-18 patchlevel 5000) [i686-linux]  
[0, 1, “a”, “b”, 2, 3]

[http://doc.loveruby.net/refm/api/view/method/Array/i/=5b=5d=3d](http://doc.loveruby.net/refm/api/view/method/Array/i/=5b=5d=3d)

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