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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
/*
Package attribute provide several helper functions for some commonly used
logic of processing attributes.
*/
package attribute // import "go.opentelemetry.io/otel/attribute/internal"
import (
"reflect"
)
// BoolSliceValue converts a bool slice into an array with same elements as slice.
func BoolSliceValue(v []bool) any {
var zero bool
cp := reflect.New(reflect.ArrayOf(len(v), reflect.TypeOf(zero))).Elem()
reflect.Copy(cp, reflect.ValueOf(v))
return cp.Interface()
}
// Int64SliceValue converts an int64 slice into an array with same elements as slice.
func Int64SliceValue(v []int64) any {
var zero int64
cp := reflect.New(reflect.ArrayOf(len(v), reflect.TypeOf(zero))).Elem()
reflect.Copy(cp, reflect.ValueOf(v))
return cp.Interface()
}
// Float64SliceValue converts a float64 slice into an array with same elements as slice.
func Float64SliceValue(v []float64) any {
var zero float64
cp := reflect.New(reflect.ArrayOf(len(v), reflect.TypeOf(zero))).Elem()
reflect.Copy(cp, reflect.ValueOf(v))
return cp.Interface()
}
// StringSliceValue converts a string slice into an array with same elements as slice.
func StringSliceValue(v []string) any {
var zero string
cp := reflect.New(reflect.ArrayOf(len(v), reflect.TypeOf(zero))).Elem()
reflect.Copy(cp, reflect.ValueOf(v))
return cp.Interface()
}
// AsBoolSlice converts a bool array into a slice into with same elements as array.
func AsBoolSlice(v any) []bool {
rv := reflect.ValueOf(v)
if rv.Type().Kind() != reflect.Array {
return nil
}
cpy := make([]bool, rv.Len())
if len(cpy) > 0 {
_ = reflect.Copy(reflect.ValueOf(cpy), rv)
}
return cpy
}
// AsInt64Slice converts an int64 array into a slice into with same elements as array.
func AsInt64Slice(v any) []int64 {
rv := reflect.ValueOf(v)
if rv.Type().Kind() != reflect.Array {
return nil
}
cpy := make([]int64, rv.Len())
if len(cpy) > 0 {
_ = reflect.Copy(reflect.ValueOf(cpy), rv)
}
return cpy
}
// AsFloat64Slice converts a float64 array into a slice into with same elements as array.
func AsFloat64Slice(v any) []float64 {
rv := reflect.ValueOf(v)
if rv.Type().Kind() != reflect.Array {
return nil
}
cpy := make([]float64, rv.Len())
if len(cpy) > 0 {
_ = reflect.Copy(reflect.ValueOf(cpy), rv)
}
return cpy
}
// AsStringSlice converts a string array into a slice into with same elements as array.
func AsStringSlice(v any) []string {
rv := reflect.ValueOf(v)
if rv.Type().Kind() != reflect.Array {
return nil
}
cpy := make([]string, rv.Len())
if len(cpy) > 0 {
_ = reflect.Copy(reflect.ValueOf(cpy), rv)
}
return cpy
}
|
