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This is the documentation for a snapshot of the master branch, built from commit c0b072b354.

Struct template flatten

boost::proto::result_of::flatten — Metafunction that computes the return type of proto::flatten()


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

template<typename Expr> 
struct flatten {
  // types
  typedef unspecified type;  // A Fusion Forward Sequence