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 env_var

boost::proto::result_of::env_var — Metafunction for computing the return type of proto::env_var().

Synopsis

// In header: <boost/proto/transform/env.hpp>

template<typename Env, typename Key> 
struct env_var :  boost::result_of<proto::functional::env_var<Key>(Env)> {
};

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