add up to square 2

[challenge-bot] / curriculum / square.scm

(use-modules (skribilo source c))

(document
 :title [square]
 (chapter
  :title (source :language c [square()\;])
  (p [here's the output of ,(prog (source :language c [square()\;]))])
  (figure
   :legend "square();"
   (image :file "square.png" :height 500))
  (p [openscad draws  a square for the code
               ,(source :language c [square()\;]).])
  (p [there are a couple other things worth noting here.
            square is followed by an open and close parenthesis
            ,(source :language c [()]), and then by a semicolon
            ,(source :language c [\;])]))
 (chapter
  :title [square(1)\;]
  (p [here's the output of ,(source :language c [square(1)\;])])
  (figure
   :legend "square(1);"
   (image :file "square1.png" :height 500))
  (p [note that it's identical to the
           ,(source :language c [square()\;]) output.  this is because
           by default, openscad guesses a value of 1 whenever a value
           is left unspecified.]))
 (chapter
  :title [square(2)\;]
  (p [here's the output of ,(source :language c [square(2)\;])])
  (figure
   :legend "square(2);"
   (image :file "square2.png" :height 500))))