From: no.email@nospam.invalid   
      
   albert@spenarnc.xs4all.nl writes:   
   > I always thought that closures are invented by lispers, because   
   > in lisp you cannot write normal programs.   
      
   Lisp didn't get them until fairly late in its evolution, I think.  Maybe   
   old time Lispers here would know.  But I think Scheme was the first   
   dialect that really made use of them.  Algol 60 its own version much   
   earlier, in the form of call-by-name parameters.   
      
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