2010-01-20-filter-map-fold - constructor...

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;; The first three lines of this file were inserted by DrScheme. They record metadata ;; about the language level of this file in a form that our tools can easily process. #reader(lib "htdp-intermediate-lambda-reader.ss" "lang")((modname 2010-01-20- filter-map-fold) (read-case-sensitive #t) (teachpacks ()) (htdp-settings #(#t
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Unformatted text preview: constructor repeating-decimal #f #t none #f ()))) (define (positive x) (> x 0)) ( (define my-list (list 1 -2 3 -4 5 -6 7)) ( (filter positive my-list) ( (foldl + 0 my-list) ( ;; take the list, square the elements and add them together (foldl + 0 (map sqr my-list))...
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This document was uploaded on 02/12/2010.

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