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Howto:Extend Nasal

103 bytes added, 17:53, 16 April 2012
Argument Processing
The naRef objects can be manipulated using the functions in [http://simgear.org/doxygen/nasal_8h-source.html nasal.h].
For the latest copy of the file, see: http://gitorious.org/fg/simgear/blobs/next/simgear/nasal/nasal.h
Basically, you can check the type of the reference with the following naIs*() functions:

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