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C:\work\ruby-gnome2-master\gtk3\sample\gtk-demo>ruby -v | |
ruby 2.0.0p0 (2013-02-24) [i386-mingw32] | |
C:\work\ruby-gnome2-master\gtk3\sample\gtk-demo>gem list | |
*** LOCAL GEMS *** | |
atk (1.2.6 x86-mingw32) | |
bigdecimal (1.2.0) | |
cairo (1.12.4 x86-mingw32) |
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require 'set' | |
s = Set.new | |
class Array | |
def pandigital?(r = 1..9) | |
r = r.to_a unless r.instance_of?(self.class) | |
self.sort == r.sort | |
end | |
end |