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How to determine whether the golang structure is empty
How to determine whether the golang structure is empty? To determine whether it has been initialized, the method is as follows:
You can use if objectA== (structname{}){ // your code } to determine.
The sample code is as follows:
package main import ( "fmt" "reflect" ) type A struct{ name string age int } func (a A) IsEmpty() bool { return reflect.DeepEqual(a, A{}) } func main() { var a A if a == (A{}) { // 括号不能去 fmt.Println("a == A{} empty") } if a.IsEmpty() { fmt.Println("reflect deep is empty") } }
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