how many data types does boost variant support?

Question

Consider the following:

// what is N?
typedef boost::variant<T1, ..., TN> variant_t;

How many template parameters are acceptable here?

score 4 · Accepted Answer · edited Jun 10 '13 at 16:26

4

The answer is hidden in the documentation:

// In header: <boost/variant/variant_fwd.hpp>

BOOST_VARIANT_LIMIT_TYPES

edited Jun 10 '13 at 16:26

Robert Harvey

answered Jun 10 '13 at 15:41

Sebastian Redl

1 Answers1