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Core Meanby

docs/data/core-meanby.md

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Original Source

Calculates the mean of values computed by a predicate. Returns 0 for an empty collection.

go
list := []string{"aa", "bbb", "cccc", "ddddd"}
lo.MeanBy(list, func(item string) float64 {
    return float64(len(item))
})
// 3.5