Module: RotationMutator

Defined in:
lib/charlie/permutation/permutation.rb

Overview

Rotates the representation of the permutation (i.e. effectively does nothing if it represents a cycle)

  • Example: [1 2 3 4] to [3 4 1 2]

Instance Method Summary collapse

Instance Method Details

#mutate! ⇒ Object 



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# File 'lib/charlie/permutation/permutation.rb', line 70

def mutate!
 new_start = @genes.rand_index
 @genes = @genes[new_start..-1] + @genes[0...new_start]
 self
end