Joe Meirow jmeirow
jmeirow
/ to_range.rb
Created
November 27, 2012 09:35
— forked from darrencauthon/to_range.rb
create array of ranges from array of individual values
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| class Array | |
| def to_range | |
| highs = self.select { |x| !self.include?(x+1) }.sort_by { |x| x } | |
| lows = self.select { |x| !self.include?(x-1) }.sort_by { |x| x } | |
| lows.zip(highs).map { |a,b| a..b } | |
| end | |
| end | |
| # Running tests: |