boost::xpressive::as — as() is a lazy funtion for lexically casting a parameter to a different type.
as()
// In header: <boost/xpressive/regex_actions.hpp> template<typename T, typename A> unspecified as(A const & a);
Parameters:
a
The lazy value to lexically cast.
Template Parameters:
T
The type to which to lexically cast the parameter.
Returns:
A lazy object that, when evaluated, lexically casts its argument to the desired type.
