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eo: clarify what extensions are.

This commit is contained in:
Marcel Hollerbach 2017-07-18 17:46:02 +02:00
parent 1c9762d8ca
commit 68eba4817a
1 changed files with 4 additions and 0 deletions
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4
src/lib/eo/Eo.h
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@ -605,6 +605,10 @@ typedef struct _Efl_Class_Description Efl_Class_Description;
* @param ... A NULL terminated list of extensions (interfaces, mixins and the classes of any composite objects).
* @return The new class's handle on success, or NULL otherwise.
*
* @note There are two types of extensions, mixins and none-mixins.
* Mixins are inheriting api AND the implementation.
* Non-mixins only inherit the api, so a class which inherits a non-mixin as extension must implement the api.
*
* You should use #EFL_DEFINE_CLASS. It'll provide thread safety and other
* features easily.
*