#16204: Add some methods in trees
-------------------------------------+-------------------------------------
       Reporter:  boussica           |        Owner:
           Type:  enhancement        |       Status:  needs_work
       Priority:  minor              |    Milestone:  sage-6.9
      Component:  combinatorics      |   Resolution:
       Keywords:                     |    Merged in:
        Authors:  Adrien             |    Reviewers:  Vincent Delecroix
  Boussicault                        |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  6bde7929af3de9ef187c336108a21aec9666aad7
  u/boussica/add_methods_in_trees    |     Stopgaps:
   Dependencies:                     |
-------------------------------------+-------------------------------------
Changes (by vdelecroix):

 * status:  needs_review => needs_work
 * reviewer:   => Vincent Delecroix


Comment:

 Hi,

 1. Please remove trailing whitespaces.

 2. Is it pep8 to have paranthesis after opening paranthesis and before
 closing ones? (like `( a )`)

 3. In
 {{{
 Return the number of left nodes number is ``direction``
 }}}
 the `is` should be `if`.

 4. Using recursive function is a bad idea. Python is not designed to
 support smartly recursive function calls. You would better use depth first
 search.

 Vincent

--
Ticket URL: <http://trac.sagemath.org/ticket/16204#comment:9>
Sage <http://www.sagemath.org>
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