[gambit-list] including a file only once

lowly coder lowlycoder at huoyanjinjing.com
Tue Jul 7 22:16:52 EDT 2009


in C, I can do something like:

#ifndef H_blah
#define H_blah
...

#endif

how can I do something  similar for files (include ... 'ed) in gambit? I
have some define-types , and I only want the define-types to load once.

Thanks!
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