Forward declares boost::hana::if_.  
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| Namespaces | |
| boost::hana | |
| Namespace containing everything in the library. | |
| Variables | |
| constexpr auto | boost::hana::if_ | 
| Conditionally return one of two values based on a condition.Specifically, thenis returned iffcondis true-valued, andelse_is returned otherwise. Note that someLogicalmodels may allowthenandelse_to have different types, while others may require both values to have the same type.  More... | |
Forward declares boost::hana::if_.