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Size: 207 Bytes
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Stored size: 207 Bytes
Contents
== Array#permutation
require 'facets/array/permutation'
require 'set'
r = Set.new
%w[a b c].permutation{ |x| r << x.join('') }
x = Set.new(['abc','acb','bac','bca','cab','cba'])
r.assert == x
Version data entries
7 entries across 7 versions & 1 rubygems