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sorting functions _ golang
jackkiexu · · 2460 次点击 · · 开始浏览这是一个创建于 的文章,其中的信息可能已经有所发展或是发生改变。
Sometimes we'll want to sort a collection by something other than its natural order. For example, suppose we wanted to sort strings by their length instead of alphabetically. Here's an example of custom sorts in Go
package main import ( "fmt" "sort" ) type ByLength []string func (s ByLength) Len() int { return len(s) } func (s ByLength) Swap(i, j int) { s[i], s[j] = s[j], s[i] } func (s ByLength) Less(i, j int) bool { return len(s[i]) < len(s[j]) } func main() { fruits := []string{"peach", "banana", "kiwi"} sort.Sort(ByLength(fruits)) fmt.Println(fruits) }
[kiwi peach banana]
总结 :
1 : ...
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Sometimes we'll want to sort a collection by something other than its natural order. For example, suppose we wanted to sort strings by their length instead of alphabetically. Here's an example of custom sorts in Go
package main import ( "fmt" "sort" ) type ByLength []string func (s ByLength) Len() int { return len(s) } func (s ByLength) Swap(i, j int) { s[i], s[j] = s[j], s[i] } func (s ByLength) Less(i, j int) bool { return len(s[i]) < len(s[j]) } func main() { fruits := []string{"peach", "banana", "kiwi"} sort.Sort(ByLength(fruits)) fmt.Println(fruits) }
[kiwi peach banana]
总结 :
1 : ...