2010-01-20-filter-map-fold

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

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
;; 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
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

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))...
View Full Document

Ask a homework question - tutors are online