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Free Flash community reacts to Adobe Open Screen Project

Posted by: Anonymous [ip: 85.98.25.62] on May 25, 2008 10:32 PM
Hi all
Lisp macros allow the manipulation of syntax at compile-time. This means that you can rearrange function calls or whatever else you like. The Scheme specification refers to macros as syntax, and the language provides a pattern-matching tool to help with the definition of new syntax. The regular expression engine, process notation, and awk notation in Scheme Shell are all defined as macros/syntax. The definition of new syntax helps hide the messy details of what you want to do. For example, the awk syntax hides the code that loops through the file looking for records by letting you specify which record reader to use.
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