Allows you to extract only the required fields from the structures and present them in the required format
type User struct {
ID int
Name string
Surname string
Certificate Passport
}
type Passport struct {
Serial string
CityOfBirth CityOfBirth
}
type CityOfBirth struct {
Name string
}
type UserToReport struct {
UID int
Name string
G string
From City
}
type City struct {
Title string `out:"Certificate.CityOfBirth.Name"`
}Required fields are specified using tags or taken with a matching name from the same nesting level
UserFromDB := User{
ID: 12,
Name: "Aleksei",
Surname: "Kovrigin",
Certificate: Passport{
Serial: "DF374-23479",
CityOfBirth: CityOfBirth{
Name: "Kirov",
},
},
}
As := City{Title: ""}
UserToReport := UserToReport{
UID: 13,
Name: "",
From: As,
}
structocaster.Cast(&UserFromDB, &UserToReport)In the issue:
{
"UID": 13,
"Name": "Aleksei",
"G": "",
"From": {
"Title": "Kirov"
}
}