class SimpleCov::StaticCoverageExtractor::Visitor

simplecov:disable
always carry a constant_path in practice.
string. Defensive nil / to_s fallbacks: ClassNode and ModuleNode
Render a constant path (e.g., `Foo::Bar`) as its source-form

def constant_name(node)
  return "<anonymous>" if node.nil?
  return node.slice if node.respond_to?(:slice)
  node.to_s
end