Method: Bio::FlatFileIndex::FileIDs#keys

Defined in:
lib/bio/io/flatfile/index.rb

#keys ⇒ Object 



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# File 'lib/bio/io/flatfile/index.rb', line 639

def keys
  self.cache_all
  a = []
  (0...self.size).each do |i|
    a << i if self[i]
  end
  a
end