Add StructToStruct

struct.go

@@ -4,10 +4,15 @@ import (
 	"log"
 	"reflect"
 	"strings"
-	
+
+	"github.com/go-viper/mapstructure/v2"
 	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
+func StructToStruct(source any, target any) {
+	mapstructure.Decode(source, &target)
+}
+
 // StructToMapRecursive given a struct or a primitive will return the equivalent
 // map[string]any of the struct or the primitive as is.
 func StructToMapRecursive(obj any) any {