.. efun:: int get_eval_cost()

  Returns the remaining evaluation cost the current execution (the current command) may use up.

  It starts at a driver given high value and is reduced with each executed statement.

  :history 3.2.6 changed: the initial value was made available as macro.

  .. todo:: initial/driver-given high value needs a link or more discussion

  .. seealso:: :efun:`rusage`, :efun:`command`, :efun:`query_limits`