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minor refactorings: W0-W9 nine -> ten, significance -> legacy, new paragraph history, TODO: "taste of IPL" -?> ?? |
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* Manipulation of symbols; e.g., test if a symbol denotes an integer, or make a symbol local.
* I/O operations
* "generators", which correspond to iterators and filters in functional programming. For example, a generator may accept a list of numbers and produce the list of their squares. Generators could accept suitably-designed functions -- strictly, the addresses of code of suitably-designed functions -- as arguments.
== History ==
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==References==
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* [http://stills.nap.edu/readingroom/books/biomems/anewell.html Allen Newell], Herbert A. Simon, Biographical Memoirs, National Academy of Sciences - includes a short section on IPL.
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