#33098: Micro-optimisation for functional.keep_lazy for single argument uses.
-------------------------------------+-------------------------------------
     Reporter:  Keryn Knight         |                    Owner:  Keryn
         Type:                       |  Knight
  Cleanup/optimization               |                   Status:  assigned
    Component:  Template system      |                  Version:  dev
     Severity:  Normal               |               Resolution:
     Keywords:                       |             Triage Stage:
                                     |  Unreviewed
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
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Comment (by Keryn Knight):

 PR is here: https://github.com/django/django/pull/14849
 Currently waiting to see if a new revised version works, because it's too
 hot here at the moment, and there's a couple of problems with the variant
 proposed upthread. Most notably, checking for `'func_first_param_name' in
 kwargs` like a fool, but also additionally handling funcs which themselves
 declare `*args` or `**kwargs`.

 Performance remains roughly the same for single argument functions, unless
 they're using the kwarg form, in which case it's something like:
 {{{
 In [3]: %timeit escape(text='<abc>d&g</abc>')
 1.89 µs ± 73.6 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops
 each)
 }}}

 Ain't done any tests for it yet, because I shudder at the thought, knowing
 that they'll probably require using mock, and there's definitely little
 point doing them if the ticket doesn't have merit :)

-- 
Ticket URL: <https://code.djangoproject.com/ticket/33098#comment:1>
Django <https://code.djangoproject.com/>
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