Forward declares boost::hana::default_ and boost::hana::is_default.  
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| Classes | |
| struct | boost::hana::default_ | 
| Mark a tag-dispatched method implementation as a default implementation.  More... | |
| struct | boost::hana::is_default< Method, typename > | 
| Returns whether a tag-dispatched method implementation is a default implementation.  More... | |
| Namespaces | |
| boost::hana | |
| Namespace containing everything in the library. | |
Forward declares boost::hana::default_ and boost::hana::is_default.