如何在Go中从切片结构中删除结构?
问题描述:
How can I remove a user defined struct from a user defined slice of user defined structs?
Something like this:
type someStruct struct {
someOtherStruct *typeOfOtherStruct
someInt int
someString string
}
var someStructs []someStruct
func someFunc(ss someStruct, ssSlice someStructs) {
// .. want to remove ss from ssSlice
}
I probably should loop til I find the index, and then remove it. But how do I compare the structs?
如何从用户定义的结构的用户定义切片中删除用户定义的结构? p>
类似这样的东西: p>
type someStruct struct {
someOtherStruct * typeOfOtherStruct
someInt int
someString string
}
var someStructs [] someStruct
func someFunc(ss someStruct,ssSlice someStructs){
// ..要从ssSlice中删除ss
}
code> pre>
我可能应该循环 直到找到索引,然后将其删除。 但是如何比较结构? p>
div>
答
You find the element and make a new slice minus that index.
Example on Playground
package main
import "fmt"
type someStruct struct {
someInt int
someString string
}
func removeIt(ss someStruct, ssSlice []someStruct) []someStruct {
for idx, v := range ssSlice {
if v == ss {
return append(ssSlice[0:idx], ssSlice[idx+1:]...)
}
}
return ssSlice
}
func main() {
someStructs := []someStruct{
{1, "one"},
{2, "two"},
{3, "three"},
}
fmt.Println("Before:", someStructs)
someStructs = removeIt(someStruct{2, "two"}, someStructs)
fmt.Println("After:", someStructs)
}