blob: aadae41e6a2186d0d97f809c19927f2fcf12380c (
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
|
// Copyright 2018, OpenCensus Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package metricdata
// LabelKey represents key of a label. It has optional
// description attribute.
type LabelKey struct {
Key string
Description string
}
// LabelValue represents the value of a label.
// The zero value represents a missing label value, which may be treated
// differently to an empty string value by some back ends.
type LabelValue struct {
Value string // string value of the label
Present bool // flag that indicated whether a value is present or not
}
// NewLabelValue creates a new non-nil LabelValue that represents the given string.
func NewLabelValue(val string) LabelValue {
return LabelValue{Value: val, Present: true}
}
|
