Forward declares boost::hana::optional.
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Classes | |
| struct | boost::hana::optional< T > |
| Optional value whose optional-ness is known at compile-time. More... | |
| struct | boost::hana::optional_tag |
Tag representing a hana::optional. More... | |
Namespaces | |
| boost | |
| boost::hana | |
| Namespace containing everything in the library. | |
Forward declares boost::hana::optional.