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changed name of extension_class_coerce to standard_coerce,

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applied Ullrich's documentation fix for standard_coerce.


[SVN r8356]
This commit is contained in:
Dave Abrahams
2000-11-29 13:41:18 +00:00
parent 8a5de60b33
commit ecdf8e1591
1 changed files with 16 additions and 12 deletions
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doc/special.html
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@@ -195,12 +195,15 @@ bignum_class.def(boost::python::operators<boost::python::op_add, BigNum>()
Note that automatic wrapping uses the <em>expression</em>
``<code>left + right</code>'' and can be used uniformly
regardless of whether the C++ operators are supplied as free functions
<blockquote><pre>
<blockquote><pre>
BigNum operator+(BigNum, BigNum)
</pre></blockquote>
or as member
functions <blockquote><pre>
BigNum BigNum::operator+(BigNum).
or as member functions
<blockquote><pre>
BigNum::operator+(BigNum).
</pre></blockquote>
<p>
@@ -319,17 +322,17 @@ PyObject* custom_coerce(PyObject* left, PyObject* right);
some_class.def(&amp;custom_coerce, "__coerce__");
</pre></blockquote>
Note that the standard coercion (defined by use of automatic operator wrapping on a
<code>class_builder</code> or a call to
&ldquo;<code>some_class.def_standard_coerce()</code>&rdquo;) will never be applied
if a custom coercion function has been registered. Therefore, in your coercion function
you should call
Note that the standard coercion (defined by use of automatic
operator wrapping on a <code>class_builder</code> or a call to
<code>class_builder::def_standard_coerce()</code>) will never be applied if
a custom coercion function has been registered. Therefore, in
your coercion function you should call
<blockquote><pre>
boost::python::detail::extension_class_coerce(left, right);
boost::python::standard_coerce(left, right);
</pre></blockquote>
for all cases that you don't want to handle yourself.
for all cases that you don't want to handle yourself.
<h3><a name="ternary_pow">The Ternary <code>pow()</code> Operator</a></h3>
@@ -643,11 +646,12 @@ Note that "__rrpow__" is an extension not present in plain Python.
to Python's iteration and access protocols. These protocols differ
considerably from the ones found in C++. For example, Python's typical
iteration idiom looks like
<blockquote><pre>
for i in S:
</pre></blockquote>
while in C++ one writes
while in C++ one writes
<blockquote><pre>
for (iterator i = S.begin(), end = S.end(); i != end; ++i)