1// Copyright 2017, OpenCensus Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package stats_test
16
17import (
18	"context"
19
20	"go.opencensus.io/stats"
21)
22
23func ExampleRecord() {
24	ctx := context.Background()
25
26	// Measures are usually declared as package-private global variables.
27	openConns := stats.Int64("example.com/measure/openconns", "open connections", stats.UnitDimensionless)
28
29	// Instrumented packages call stats.Record() to record measuremens.
30	stats.Record(ctx, openConns.M(124)) // Record 124 open connections.
31
32	// Without any views or exporters registered, this statement has no observable effects.
33}
34