#6937: Fixed cached_function to handle defaults better.
---------------------+------------------------------------------------------
 Reporter:  boothby  |       Owner:  boothby
     Type:  defect   |      Status:  new    
 Priority:  minor    |   Milestone:         
Component:  misc     |    Keywords:         
 Reviewer:           |      Author:  boothby
   Merged:           |  
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 We expect the following example to take about 10 seconds:

 {{{
 sage: @cached_function
 sage: def foo(x = 5):
 ...       print "computing foo(%s)"%x
 ...       sleep(10)
 ...       return 0
 sage: w = walltime()
 sage: foo()
 computing foo(5)
 sage: foo(5)
 computing foo(5)
 sage: foo(x=5)
 computing foo(5)
 sage: print "that took %s seconds!"%walltime(w)
 that took 29.9967029095 seconds!
 }}}

 ... but that obviously isn't the case.  fix it!

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6937>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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