#889 Warn for recursive functions in %extend

[Hendrik Maryns]

It is not possible to call a function recursively that has been added to a class/struct using %extend, since it gets renamed, but the call doesn’t.

A workaround is to declare a static function which does the job using recursion, and to call that function in %extend.

However, the documentation should warn for this. The renaming scheme is mentioned in http://www.swig.org/Doc1.3/SWIGDocumentation.html#SWIG_adding_member_functions, but not explicitly.

See news://news.gmane.org:119/fnkp82$9kl$1@ger.gmane.org and followups for a description of my problem.

[Olly Betts]

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A patch against the documentation would be most appreciated.

[Olly Betts]

Addressed by 11009f8e23faaf8047e00bf93c50f8a70c6d9784 I've just pushed to git master.