interfaces_code_snippet_31.go

type UserRepository struct { }

func (u *UserRepository) Load(id uint32, h Hydrater) error {
	row := ... // Run a SELECT by id and retrieve the result in a database.Row.
	return h.Hydrate(row) // h must be a pointer.
}

type User struct {
	ID uint32
	Name string
	// Other fields...
}

func (u *User) Hydrate(row database.Row) error {
	return row.Scan(u)
}