Function mapSliceN

uint32_store_test.go:64–81

(m map[string]uint32, n int)

}

func mapSliceN(m map[string]uint32, n int) mapSlice {
	if n < 0 || n > len(m) {
		panic(fmt.Sprintf("n value %d out of range for map size %d", n, len(m)))
	}
	in := make([]string, 0, n)
	out := make([]string, 0, len(m)-n)
	nAdded := 0

	for k := range m {
		if nAdded < n {
			nAdded++
			in = append(in, k)
		} else {
			out = append(out, k)
		}
	}
	return mapSlice{m: m, in: in, out: out}
}

func (m mapSlice) AppendKeys(a []string) []string { return append(a, m.in...) }
func (m mapSlice) Get(s string) uint32            { return m.m[s] }