Add text at some column

Complete golang struct statement.

Input

// Product contains information about one product
type Product struct
    ID  int64   id
    Name    string  name
    Info    string  info,omitempty
    Price   float64 price

Output

// Product contains information about one product
type Product struct {
    ID  int64   `json:"id"`
    Name    string  `json:"name"`
    Info    string  `json:"info,omitempty"`
    Price   float64 `json:"price"`
}