class Psych::Visitors::YAMLTree::Registrar

:nodoc:

def id_for target 

def id_for target
  @obj_to_id[target.object_id] ||= (@counter += 1)
end

def initialize

:nodoc: 
def initialize
  @obj_to_id   = {}
  @obj_to_node = {}
  @counter     = 0
end

def key? target 

def key? target
  @obj_to_node.key? target.object_id
end

def node_for target 

def node_for target
  @obj_to_node[target.object_id]
end

def register target, node 

def register target, node
  @obj_to_node[target.object_id] = node
end