log/channel_example_test.go

// Copyright (C) 2015 The Android Open Source Project
//
// 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 log_test

import (
	"fmt"

	"android.googlesource.com/platform/tools/gpu/log"
)

func sayHelloTo(l log.Logger, name string) {
	l = log.Enter(l, "sayHello")
	log.Infof(l, "Hello %s!", name)
}

func Example_Channel() {
	c := make(chan interface{}, 1)
	l := log.Channel(c)
	sayHelloTo(l, "Bob")
	e := (<-c).(log.Entry)
	fmt.Printf(e.StringNoTimestamp())
	// Output:
	// #0000 Info: sayHello → Hello Bob!
}