Gem::Dependency#match?

# File tmp/rubies/ruby-4.0.0/lib/rubygems/dependency.rb, line 220
def match?(obj, version = nil, allow_prerelease = false)
  if !version
    name = obj.name
    version = obj.version
  else
    name = obj
  end

  return false unless self.name === name

  version = Gem::Version.new version

  return true if requirement.none? && !version.prerelease?
  return false if version.prerelease? &&
                  !allow_prerelease &&
                  !prerelease?

  requirement.satisfied_by? version
end