Forward declares boost::hana::comparing.  
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| Namespaces | |
| boost::hana | |
| Namespace containing everything in the library. | |
| Variables | |
| constexpr auto | boost::hana::comparing | 
| Returns a function performing equalafter applying a transformation to both arguments.comparingcreates an equivalence relation based on the result of applying a function to some objects, which is especially useful in conjunction with algorithms that accept a custom predicate that must represent an equivalence relation.  More... | |
Forward declares boost::hana::comparing.