1package bug
 2
 3import (
 4	"fmt"
 5	"io"
 6)
 7
 8type Label string
 9
10func (l Label) String() string {
11	return string(l)
12}
13
14// UnmarshalGQL implements the graphql.Unmarshaler interface
15func (l *Label) UnmarshalGQL(v interface{}) error {
16	_, ok := v.(string)
17	if !ok {
18		return fmt.Errorf("labels must be strings")
19	}
20
21	*l = v.(Label)
22
23	return nil
24}
25
26// MarshalGQL implements the graphql.Marshaler interface
27func (l Label) MarshalGQL(w io.Writer) {
28	w.Write([]byte(`"` + l.String() + `"`))
29}