Range (original) (raw)
Methods
O
Instance Public methods
_empty_range?(b, e, excl)Link
def _empty_range?(b, e, excl) return false if b.nil? || e.nil?
comp = b <=> e comp.nil? || comp > 0 || (comp == 0 && excl) end
overlap?(other)Link
def overlap?(other) raise TypeError unless other.is_a? Range
self_begin = self.begin other_end = other.end other_excl = other.exclude_end?
return false if _empty_range?(self_begin, other_end, other_excl)
other_begin = other.begin self_end = self.end self_excl = self.exclude_end?
return false if _empty_range?(other_begin, self_end, self_excl) return true if self_begin == other_begin
return false if _empty_range?(self_begin, self_end, self_excl) return false if _empty_range?(other_begin, other_end, other_excl)
true end