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iterate-devel May 2010

iterate-devel@common-lisp.net

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[iterate-devel] Fix for broken progn
by Olof-Joachim Frahm 03 Jun '10

03 Jun '10

Hi, the attached patch fixes a nasty bug in iterate: Without it, forms like (iterate (leave (if T (progn) 3))) evaluate to 3, because walk-progn simply strips empty progn forms. Regards, Olof -- The world is burning. Run.

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[iterate-devel] Iteration on multiple lists sequentially
by William Halliburton 28 May '10

28 May '10

Hello all, Does anyone have a generator that allows for iteration on multiple lists sequentially without creating a single list. I'm doing this alot: (iter (for el in (append list1 list2 list3))) when the APPEND is really not necessary with a sufficiently smart generator like: (iter (for el in list then list2 then list3))) ? Thank you, Will

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