Merges the requirements of other into this dependency
# File lib/rubygems/dependency.rb, line 199
def merge other
unless name == other.name then
raise ArgumentError,
"#{self} and #{other} have different names"
end
default = Gem::Requirement.default
self_req = self.requirement
other_req = other.requirement
return self.class.new name, self_req if other_req == default
return self.class.new name, other_req if self_req == default
self.class.new name, self_req.as_list.concat(other_req.as_list)
end