Sha256: 0fc8d2768cc3ffe01d2ad9697d78fba3df81db102b2edda4b964e1af22e6a8bb
Contents?: true
Size: 937 Bytes
Versions: 7
Compression:
Stored size: 937 Bytes
Contents
class Range
# Combine ranges.
#
# (1..2).combine(2..4) #=> [1..4]
# (1..2).combine(3..4) #=> [1..2, 3..4]
#
# TODO: Incorporate end-sentinal inclusion vs. exclusion.
#
# CREDIT: Trans
def combine(*intervals)
Range.combine(self, *intervals)
end
# Combine intervals.
#
# Range.combine(1..2, 2..4) #=> [1..4]
# Range.combine(1..2, 3..4) #=> [1..2, 3..4]
#
# CREDIT: Trans
def self.combine(*intervals)
intype = intervals.first.class
result = []
intervals = intervals.collect do |i|
[i.first, i.last]
end
intervals.sort.each do |(from, to)| #inject([]) do |result,
if result.empty? or from > result.last[1]
result << [from, to]
elsif to > result.last[1]
result.last[1] = to
end
#result
end
if intype <= Range
result.collect{ |i| ((i.first)..(i.last)) }
else
result
end
end
end
Version data entries
7 entries across 7 versions & 2 rubygems