1 // Copyright 2022 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
4 5 //go:build !go1.21
6 7 package slog
8 9 import (
10 "time"
11 12 "golang.org/x/exp/slog"
13 )
14 15 // An Attr is a key-value pair.
16 type Attr = slog.Attr
17 18 // String returns an Attr for a string value.
19 func String(key, value string) Attr {
20 return slog.String(key, value)
21 }
22 23 // Int64 returns an Attr for an int64.
24 func Int64(key string, value int64) Attr {
25 return slog.Int64(key, value)
26 }
27 28 // Int converts an int to an int64 and returns
29 // an Attr with that value.
30 func Int(key string, value int) Attr {
31 return slog.Int(key, value)
32 }
33 34 // Uint64 returns an Attr for a uint64.
35 func Uint64(key string, v uint64) Attr {
36 return slog.Uint64(key, v)
37 }
38 39 // Float64 returns an Attr for a floating-point number.
40 func Float64(key string, v float64) Attr {
41 return slog.Float64(key, v)
42 }
43 44 // Bool returns an Attr for a bool.
45 func Bool(key string, v bool) Attr {
46 return slog.Bool(key, v)
47 }
48 49 // Time returns an Attr for a time.Time.
50 // It discards the monotonic portion.
51 func Time(key string, v time.Time) Attr {
52 return slog.Time(key, v)
53 }
54 55 // Duration returns an Attr for a time.Duration.
56 func Duration(key string, v time.Duration) Attr {
57 return slog.Duration(key, v)
58 }
59 60 // Group returns an Attr for a Group Value.
61 // The first argument is the key; the remaining arguments
62 // are converted to Attrs as in [Logger.Log].
63 //
64 // Use Group to collect several key-value pairs under a single
65 // key on a log line, or as the result of LogValue
66 // in order to log a single value as multiple Attrs.
67 func Group(key string, args ...any) Attr {
68 return slog.Group(key, args...)
69 }
70 71 // Any returns an Attr for the supplied value.
72 // See [Value.AnyValue] for how values are treated.
73 func Any(key string, value any) Attr {
74 return slog.Any(key, value)
75 }
76