package main // Arguments to format are: // [1]: type name const valueMethod = `func (i %[1]s) Value() (driver.Value, error) { return i.String(), nil } ` const scanMethod = `func (i *%[1]s) Scan(value interface{}) error { if value == nil { return nil } str, ok := value.(string) if !ok { bytes, ok := value.([]byte) if !ok { return fmt.Errorf("value is not a byte slice") } str = string(bytes[:]) } val, err := %[1]sString(str) if err != nil { return err } *i = val return nil } ` func (g *Generator) addValueAndScanMethod(typeName string) { g.Printf("\n") g.Printf(valueMethod, typeName) g.Printf("\n\n") g.Printf(scanMethod, typeName) }