Algo::SelectRandomWeightedBy

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References

namespace Algo  
{  
    template<typename RangeType, typename ProjectionType>  
    auto Algo&58;&58;SelectRandomWeightedBy  
    &40;  
        RangeType && Range,  
        ProjectionType Proj  
    &41;  
}  
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namespace Algo {     template<typename RangeType, typename ProjectionType>     auto Algo&58;&58;SelectRandomWeightedBy     &40;         RangeType && Range,         ProjectionType Proj     &41; }

Remarks

Randomly select an element from a range of elements, weighted by a projection. The chance of any element being chosen is its weight / the sum of all the weights in the range. Negative- or zero- weighted elements will not be chosen or count toward the total.

Parameters