modash/moslice/flatten.go

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271 B
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package moslice
func Flatten[T any](tss [][]T) []T {
if len(tss) == 0 {
return nil
}
entireLen := 0
for _, ts := range tss {
entireLen += len(ts)
}
newTs := make([]T, 0, entireLen)
for _, ts := range tss {
newTs = append(newTs, ts...)
}
return newTs
}