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Dykam/Range.coffee

Created March 25, 2011 22:11
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Range.coffee
class Range
constructor: (@ranges...) ->
@rangePoints = (Array.prototype.concat (Range.fixRanges @ranges)...).sort()
@ranges = ([start, @rangePoints[i + 1]] for start, i in @rangePoints by 2)
intersect: (ranges...) ->
new Range @rangePoints.concat (Range.fixRanges ranges)...
@fixRanges: (ranges) -> range.rangePoints or range for range in ranges
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