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boost::xpressive::op::throw_ — throw_<> is a PolymorphicFunctionObject for throwing an exception. 
// In header: <boost/xpressive/xpressive_fwd.hpp> template<typename Except> struct throw_ { // public member functions void operator()() const; template<typename A0> void operator()(A0 const &) const; template<typename A0, typename A1> void operator()(A0 const &, A1 const &) const; template<typename A0, typename A1, typename A2> void operator()(A0 const &, A1 const &, A2 const &) const; };
throw_ public member functionsvoid operator()() const;
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
template<typename A0> void operator()(A0 const & a0) const;
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
template<typename A0, typename A1> void operator()(A0 const & a0, A1 const & a1) const;
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
template<typename A0, typename A1, typename A2> void operator()(A0 const & a0, A1 const & a1, A2 const & a2) const;
| ![[Note]](../../../../../doc/src/images/note.png) | Note | 
|---|---|
| This function makes use of the  | 
| Parameters: | 
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| Throws: | <tt>Except(a0 |