Source File
	attribute.go

Belonging Package
	go.opentelemetry.io/otel/attribute/internal

// 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
}

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