class Object

# File lib/useful_matchers/matchers.rb, line 8
def recurse_to_leaf_modules(mod)
  leaf_nodes = []
  next_level = mod.constants.collect {
    |c| mod.const_get(c)
  }.select {
    |c| c.instance_of?(Module)
  }.each do |child|
    leaf_nodes.concat recurse_to_leaf_modules child
  end
  
  if next_level.empty? && mod.instance_of?(Module)
    return [mod]
  else
    return leaf_nodes
  end
end