nl_tokens: / * --- * V a r i a b l e --- A constrained variable . In addition to its value it maintain the structure of the constraint graph the current dataflow graph and various parameters of interest to the DeltaBlue incremental constraint solver .
pl_tokens: function Variable ( name , initialValue ) { this . value = initialValue || 0 ; this . constraints = <mask> OrderedCollection ( ) ; this . determinedBy = null ; this . mark = 0 ; this . walkStrength = Strength . WEAKEST ; this . stay = true ; this . name = name ; }