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Merge pull request #845 from prometheus/fabxc/apifix 

promql: add MarshalJSON method for ExprType.
pull/849/head
Julius Volz 2015-06-25 12:25:45 +02:00
parent 52859b8033 7f85b9b215
commit 689ed7978f
1 changed files with 6 additions and 0 deletions
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6
promql/ast.go
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@ -14,6 +14,7 @@
package promql
import (
"encoding/json"
"fmt"
"time"
@ -97,6 +98,11 @@ const (
ExprString
)
// MarshalJSON implements json.Marshaler.
func (et ExprType) MarshalJSON() ([]byte, error) {
return json.Marshal(et.String())
}
func (e ExprType) String() string {
switch e {
case ExprNone: