CFPEEK
	CFPEEK	Sergey Poznyakoff

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3 Tutorial

The following typographic conventions are used throughout this tutorial.

In the examples, ‘$’ represents a typical shell prompt. It precedes lines you should type. Both command line and lines which represent the program output are shown in ‘this font’.

The Scheme code is shown as follows:

(do it)

In examples, the ⇒ symbol indicates the value of a variable or result of a function invocation, as in:

x ⇒ 2