Algo::CountBy

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References

namespace Algo  
{  
    template<typename InT, typename ValueT, typename ProjectionT>  
    SIZE_T Algo::CountBy  
    (  
        const InT & Input,  
        const ValueT & InValue,  
        ProjectionT Proj  
    )  
}  
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namespace Algo {     template<typename InT, typename ValueT, typename ProjectionT>     SIZE_T Algo::CountBy     (         const InT & Input,         const ValueT & InValue,         ProjectionT Proj     ) }

Remarks

Counts elements of a range whose projection equals the supplied value

Parameters