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Source for wiki BoxesCowan version 2

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cowan

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98.14.172.204

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BoxesCowan

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text

== Boxes ==

This is a trivial module, providing mutable and immutable boxes.  Most Schemes have something like it, sometimes called ''cells''.  Boxes are a disjoint type.

== Procedures ==

 * `box`: constructor
 * `immutable-box`: constructor
 * `box?`: predicate
 * `immutable-box?`: predicate
 * `unbox`: accessor
 * `set-box!`: mutator

time

2010-09-23 21:05:56