Sha256: 5890b943089863cb6ed1526f479200ea355c6de52011b7b2d8ff3c4173e90e01
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Size: 513 Bytes
Versions: 30
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Stored size: 513 Bytes
Contents
class Range
# http://stackoverflow.com/questions/699448/ruby-how-do-you-check-whether-a-range-contains-a-subset-of-another-range
def overlap?(other)
(first <= other.last) and (other.first <= last)
end
# (1..2).last_element == 2
# (1...3).last_element == 2
def last_element
exclude_end? ? last.pred : last
end unless defined? last_element
# (1..2).move(2) == (3..4)
def move(n)
if exclude_end?
(first + n)...(last + n)
else
(first + n)..(last + n)
end
end
end
Version data entries
30 entries across 30 versions & 1 rubygems