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Revision 2646

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Author: dpvc
Date: Thu Aug 19 12:16:41 2004 UTC (15 years, 6 months ago)
Log Message:
Make it possible to create subclasses of objects in the value package
that are not actually in the Value:: package tree.  This makes it
possible to have .pl files (that are run via loadMacros) that create
new Value object classes that are local to the problem rather than
global to the system.  (With mod_perl, if a .pl file added to the
Value:: tree itself, the results would be persistent, and this could
adversely affect future problems processed by the same httpd child
process.  It could lead to "redefined subroutine" errors, or worse.)
This provides a safe way to extend the parser on a problem-specific

This technique is used in the line and plane answer checkers (coming
soon), for example.  If such a checker becomes widely used, it can
always be added into the Value:: tree at a later time.

Changed paths:

Path Details
Directorytrunk/pg/lib/Value.pm modified , text changed

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