Forward declares boost::hana::count_if.  
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| Namespaces | |
| boost::hana | |
| Namespace containing everything in the library. | |
| Variables | |
| constexpr auto | boost::hana::count_if | 
| Return the number of elements in the structure for which the predicateis satisfied.Specifically, returns an object of an unsigned integral type, or aConstantholding such an object, which represents the number of elements in the structure satisfying the givenpredicate.  More... | |
Forward declares boost::hana::count_if.