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## Function template as

boost::xpressive::as — `as()` is a lazy funtion for lexically casting a parameter to a different type.

## Synopsis

    // In header: <boost/xpressive/regex_actions.hpp>

    template<typename T, typename A> unspecified as(A const & a);

## Description

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.