CS115 Study Guide - Final Guide: Substring, Data Definition Language, Association List

• School: University of Waterloo
• Department: Computer Science
• Course: CS115
• Professor: Tian Kou

Document Summary

Structures: a structure bundles data in a package together, serves as a useful way to refer to data you define, defining a structure is the first step (they usually do this for you, gives three useful functions. Note: the contract should have the name of the structure rather than. To define a structure: (define-struct sname (field1 field2)) ;type predicate: basically this is saying that you have created a structure called sname that has properties defined in f1fn. A data definition: is a comment specifying the types of data. ;;a posn in a structure (make-posn xcoord ycoord), where. Structure definitions: show what each item represents (define-struct contact (name email_address)) ;; a contact is a structure (make-contact n e) where. ;; n is a non empty string representing a person"s name and. ;; e is a non empty string representing a person"s email address.