# Ary.flatten("")

**URL:** <https://www.ruby-forum.com/t/ary-flatten/109203>\
**Category:** Development\
**Created:** [July 12, 2007, 12:04pm UTC](https://www.ruby-forum.com/t/ary-flatten/109203 "2007-07-12T12:04:50Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [July 12, 2007, 12:04pm UTC](https://www.ruby-forum.com/t/ary-flatten/109203/1 "2007-07-12T12:04:50Z")

</div>

Array#flatten e$B$N0z?t$Ke(B “” e$B$rM?$($F%(%i!\<$K$J$i$J$$$N$O0U?^$;e(B  
e$B$6$k5sF0$J$N$G$O$J$$$G$7$g$&$+!#e(B

% ./ruby -ve ‘p [[]].flatten("")’  
ruby 1.9.0 (2007-07-12 patchlevel 0) [i686-linux]  
[]