An entertaining use of del

by **paulmansour** on Sun Jul 07, 2013 8:31 pm

So late last night in an attempt to come up with a quick and dirty object-oriented framework for building up HTML, I wrote this:

Code: Select all: Add←{ ⍺←⎕THIS e t←(2=≡⍵)⊃(⍵'')⍵ e≡'':⍺⊣⍺.Content,←⊂t s←⎕NS'' s.Element←e s.Content←(0=⍴t)⊃(,⊂t)t s.Add←∇ 0=⍺.⎕NC'Content':s ⍺.Content,←s s }

I particularly enjoyed line 7:

      s.Add←∇

I have not seen this use of del anywhere in the dfns namespace that I could find.

This little dfn lets me write:

      h←Add 'html'
      b←h.Add 'body'
      h1←b.Add 'h1' 'My Heading'
      h1.class←'MyClass'
      h1.id←'MyID'

Which then can be turned into HTML with an appropriately coded render function:

      Render h
<html><body><h1 class="MyClass" id="MyID">My Heading</h1></body></
      html>

by **StefanoLanzavecchia** on Mon Jul 08, 2013 11:57 am

Very nice!

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