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%naturalvar documentation added

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@8644 626c5289-ae23-0410-ae9c-e8d60b6d4f22
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William S Fulton 2006-01-30 22:17:42 +00:00
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Doc/Manual/SWIG.html
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@ -52,7 +52,7 @@
<li><a href="#SWIG_nn32">Typedef and structures</a>
<li><a href="#SWIG_nn33">Character strings and structures</a>
<li><a href="#SWIG_nn34">Array members</a>
<li><a href="#SWIG_nn35">Structure data members</a>
<li><a href="#SWIG_structure_data_members">Structure data members</a>
<li><a href="#SWIG_nn36">C constructors and destructors </a>
<li><a href="#SWIG_adding_member_functions">Adding member functions to C structures</a>
<li><a href="#SWIG_nn38">Nested structures</a>
@ -2114,7 +2114,7 @@ discussed in a later chapter. In many cases, the warning message is
harmless.
</p>
<H3><a name="SWIG_nn35"></a>5.5.4 Structure data members</H3>
<H3><a name="SWIG_structure_data_members"></a>5.5.4 Structure data members</H3>
<p>
@ -2135,8 +2135,9 @@ typedef struct Bar {
</div>
<p>
When a structure member is wrapped, it is always handled as a pointer.
For example:
When a structure member is wrapped, it is handled as a pointer, unless the <tt>%naturalvar</tt> directive
is used where it is handled more like a C++ reference (see <a href="SWIGPlus.html#SWIGPlus_member_data">C++ Member data</a>).
The accessors to the member variable as a pointer is effectively wrapped as follows:
</p>
<div class="code">
@ -2211,6 +2212,7 @@ void Foo_w_set(FOO *f, WORD value) {
</pre>
</div>
<p>
<b>Compatibility Note: </b> SWIG-1.3.11 and earlier releases transformed all non-primitive member datatypes
to pointers. Starting in SWIG-1.3.12, this transformation <em>only</em> occurs if a datatype is known to be a structure,