Boost C++ Libraries

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Function display_expr

boost::proto::display_expr — Pretty-print a Proto expression tree.

Synopsis

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


template<typename Expr> 
  void display_expr(Expr const & expr, std::ostream & sout);
template<typename Expr> void display_expr(Expr const & expr);

Description

Parameters:

`expr`	The Proto expression tree to pretty-print
`sout`	The `ostream` to which the output should be written. If not specified, defaults to `std::cout`.

Notes:

Equivalent to proto::functional::display_expr(0, sout)(expr).