blob: 61892ebcc220d564e9f1f0d5d082548ce4bef42d [file] [log] [blame]
// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package slog_test
import "golang.org/x/exp/slog"
type Name struct {
First, Last string
}
// LogValue implements slog.LogValuer.
// It returns a group containing the fields of
// the Name, so that they appear together in the log output.
func (n Name) LogValue() slog.Value {
return slog.GroupValue(
slog.String("first", n.First),
slog.String("last", n.Last))
}
func ExampleLogValuer_group() {
n := Name{"Perry", "Platypus"}
slog.Info("mission accomplished", "agent", n)
// JSON Output would look in part like:
// {
// ...
// "msg": "mission accomplished",
// "agent": {
// "first": "Perry",
// "last": "Platypus"
// }
// }
}