new()
@watching is a stack of lists of constants being watched. For instance, if parent.rb is autoloaded, the stack will look like [[Object]]. If parent.rb then requires namespace/child.rb, the stack will look like [[Object], [Namespace]].
# File activesupport/lib/active_support/dependencies.rb, line 108 def initialize @watching = [] @stack = Hash.new { |h, k| h[k] = [] } end