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Update docs for expression parsing improvements

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Olly Betts 2022-03-04 16:36:04 +13:00
commit 8f54f6180a
2 changed files with 13 additions and 7 deletions
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Doc/Manual/SWIGPlus.html
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@ -3057,22 +3057,24 @@ is expected in an interface file. For example:
<div class="code">
<pre>
void foo(vector&lt;int&gt; *a, int n);
void bar(list&lt;int, 100&gt; *x);
void bar(std::array&lt;int, 100&gt; *x);
</pre>
</div>
<p>
There are some restrictions on the use of non-type arguments. Simple literals
are supported, and so are some constant expressions. However, use of '&lt;'
and '&gt;' within a constant expressions currently is not supported by SWIG
('&lt;=' and '&gt;=' are though). For example:
are supported, and so are most constant expressions. However, there are some
limitations on the use of '&lt;' and '&gt;' in constant expressions (but note
that '&lt;=' and '&gt;=' are fully supported). For example:
</p>
<div class="code">
<pre>
void bar(list&lt;int, 100&gt; *x); // OK
void bar(list&lt;int, 2*50&gt; *x); // OK
void bar(list&lt;int, (2&gt;1 ? 100 : 50)&gt; *x) // Not supported
void bar(std::array&lt;int, 100&gt; *x); // OK
void bar(std::array&lt;int, 2*50&gt; *x); // OK
void bar(std::array&lt;int, (1&lt;2 ? 100 : 50)&gt; *x) // OK
void bar(std::array&lt;int, 1&lt;2 ? 100 : 50&gt; *x) // Not supported
void bar(std::array&lt;int, (2&gt;1 ? 100 : 50)&gt; *x) // Not supported
</pre>
</div>