Outline 32: Characters and Strings

Held: Friday, 14 March 2014

Back to Outline 31 - Naming Local Procedures. On to Outline 33 - Turtle Graphics.

Summary

We consider characters and strings, two basic types in Scheme. Strings are used to represent text in Scheme, and characters are the building blocks of strings.

Related Pages

Reading: Characters and Strings
Lab: Characters and Strings
EBoard 32 (Source 32) (HTML 32) (PDF 32)

Overview

Representing text.
Characters: The basic building blocks.
Combining characters into strings.

Administrivia

Happy Pi day. Be sure to celebrate at nine minutes past three.
No writeup for today. You're working hard enough on the exam.
Continue with Tuesday's partners.
There is not a quiz today.

Characters and Strings

Characters: The building blocks of strings
Strings: Collections of characters
Together: The basics types for input and output in Scheme.
Also: A nice way to name things.

Lab

Do the lab.
Be prepared to reflect.

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Samuel A. Rebelsky, rebelsky@grinnell.edu

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