go::常用库

sort 排序
var a = [...]string{"abc", "efg", "b", "A", "eeee"}
sort.Strings(a[:])

var a = [...]float64{2.3, 0.8, 28.2, 392342.2, 0.6}
sort.Float64s(a[:])

var a = [...]int{1, 8, 38, 2, 348, 484}
sort.Ints(a[:])
index := sort.SearchInts(a[:], 348)