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  2. RPG400-L
  3. July 2014

Re: The value of ILE

Roger Harman wrote:
Just the other day, I did a multi-level break (9 levels) program and part of
the break processing was easier to do recursively. Just had the function
call itself repeatedly to trigger dependent levels, and it unrolled itself
nicely when done.

I've done recursion in interpretive BASIC.

The trick to doing recursion without automatic dynamic local variables is to simulate them with arrays. Or to be entirely tail-recursive.

As anybody who's worked in (Lisp) knows, well-coded recursion has the advantage that things happen exactly as many times as necessary, without having to know how many times that might be.

--
JHHL

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