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package main
import (
"fmt"
"github.com/knadh/koanf/providers/structs"
"github.com/knadh/koanf/v2"
)
var k = koanf.New(".")
type parentStruct struct {
Name string `koanf:"name"`
ID int `koanf:"id"`
Child1 childStruct `koanf:"child1"`
}
type childStruct struct {
Name string `koanf:"name"`
Type string `koanf:"type"`
Empty map[string]string `koanf:"empty"`
Grandchild1 grandchildStruct `koanf:"grandchild1"`
}
type grandchildStruct struct {
Ids []int `koanf:"ids"`
On bool `koanf:"on"`
}
type sampleStruct struct {
Type string `koanf:"type"`
Empty map[string]string `koanf:"empty"`
Parent1 parentStruct `koanf:"parent1"`
}
func main() {
s := sampleStruct{
Type: "json",
Empty: make(map[string]string),
Parent1: parentStruct{
Name: "parent1",
ID: 1234,
Child1: childStruct{
Name: "child1",
Type: "json",
Empty: make(map[string]string),
Grandchild1: grandchildStruct{
Ids: []int{1, 2, 3},
On: true,
},
},
},
}
k.Load(structs.Provider(s, "koanf"), nil)
fmt.Printf("name is = `%s`\n", k.String("parent1.child1.name"))
}
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