Convert array to a set: it removes duplicate elements for you : to String « Array « Ruby

1. Ruby
2. Array
3. to String

Convert array to a set: it removes duplicate elements for you

require 'set'
survey_results = [1, 2, 7, 1, 1, 5, 2, 5, 1]
p distinct_answers = survey_results.to_set
# => #<Set: {5, 1, 7, 2}>

 

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