blob: 33625c5342662157b55ca7c20859d6af8abc7795 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
package builder
import "fmt"
type Not [1]Cond
var _ Cond = Not{}
func (not Not) WriteTo(w Writer) error {
if _, err := fmt.Fprint(w, "NOT "); err != nil {
return err
}
switch not[0].(type) {
case condAnd, condOr:
if _, err := fmt.Fprint(w, "("); err != nil {
return err
}
}
if err := not[0].WriteTo(w); err != nil {
return err
}
switch not[0].(type) {
case condAnd, condOr:
if _, err := fmt.Fprint(w, ")"); err != nil {
return err
}
}
return nil
}
func (not Not) And(conds ...Cond) Cond {
return And(not, And(conds...))
}
func (not Not) Or(conds ...Cond) Cond {
return Or(not, Or(conds...))
}
func (not Not) IsValid() bool {
return not[0] != nil && not[0].IsValid()
}
|
