mergeMap[k] = v } } return mergeMap } 6.map轉(zhuǎn)切片 1 2 3 4 5 6 7 func MapToSlice[K comparable, V any, T any](m map[K]V, extractor func(V) T) []T { res := make([]T, 0, len(m)) for _, v := range m { res = append(res, extractor(v)) } return res } 7.切...
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