Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a snapshot of the master branch, built from commit b9ab49fc70.
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Struct template is_extension

boost::proto::is_extension — Boolean metafunction that can be used to enable the operator overloads in the exops namespace for the specified non-Proto terminal type.

Synopsis

// In header: <boost/proto/operators.hpp>

template<typename T> 
struct is_extension :  is_expr< T > {
};

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