Warning: This is the manual of the legacy Guile 2.0 series. You may want to read the manual of the current stable series instead.

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8.8 Introspection

Introspection, or reflection, means being able to obtain information dynamically about GOOPS objects. It is perhaps best illustrated by considering an object oriented language that does not provide any introspection, namely C++.

Nothing in C++ allows a running program to obtain answers to the following types of question:

In C++, answers to such questions can only be determined by looking at the source code, if you have access to it. GOOPS, on the other hand, includes procedures that allow answers to these questions — or their GOOPS equivalents — to be obtained dynamically, at run time.