add missing doxygen docu

[libfirm] / include / libfirm / adt / pmap.h

diff --git a/include/libfirm/adt/pmap.h b/include/libfirm/adt/pmap.h
index d5a6e1e..3bb507e 100644 (file)
--- a/include/libfirm/adt/pmap.h
+++ b/include/libfirm/adt/pmap.h
@@ -73,6 +73,11 @@ FIRM_API pmap_entry *pmap_find(pmap *map, const void * key);
 /** Returns the value of "key". */
 FIRM_API void * pmap_get(pmap *map, const void * key);
 
+/**
+ * Returns the value of "key".
+ * This is a wrapper for pmap_get(pmap *map); It allows to express the
+ * intended type of the set elements (instead of weakly typed void*).
+ */
 #define pmap_get(type, map, key) ((type*)pmap_get(map, key))
 
 /** Return number of elements in the map */