__call__ (
        self,
        operation,
        input,
        )

Call of cache object.

• parameters:

  operation

  the real function to call if the result is not yet known. This should be a one-argument stateless function.

  input

  the result of operation(input) is requested.

• Return value is the value of operation(input). If the result was in the cache, the routine operation is not called to get this result.

__init__ ( self,  keep=5 )

Constructor.

keep

Number of results to cache

delete ( self,  input )

Delete cache item.

• parameters:

  input

  operation(input) should be removed from cache

• No return value