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Re:Why it’s hard for programmers to write a program to flatt... by brudgers on Friday February 24, 2017 @04:59PM (#13728326)
If the person flattens a list with the:

   Google
   Copy
   Paste
Algorithm, are they a programmer? Are they more or less of a programmer if instead they use racket or clojure's built-in =flatten=?
Re:Why it’s hard for programmers to write a program to flatt... by mannykannot on Friday February 24, 2017 @05:40PM (#13728608)
It is the cases of failure that are interesting and informative, and if the methods you mention are the only ways a person can solve the problem, that counts as a failure - as I mentioned, this is not actually about flattening lists.