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jin/custom_comparators.rb

Last active August 29, 2015 14:10
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Custom sort comparators in Ruby
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custom_comparators.rb
def sort hash
hash.keys.map(&:to_s).sort(& -> (a, b) { a.length <=> b.length })
end
p sort ({ abc: 'hello', 'another_key' => 123, 4567 => 'third' })
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