//go:build !go1.21

/*
 * Copyright 2024 CloudWeGo Authors
 *
 * 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 unsafex

import "unsafe"

// BinaryToString converts []byte to string without copy
func BinaryToString(b []byte) string {
	return *(*string)(unsafe.Pointer(&b))
}

type sliceHeader struct {
	Data uintptr
	Len  int
	Cap  int
}

// StringToBinary converts string to []byte without copy
func StringToBinary(s string) (b []byte) {
	*(*string)(unsafe.Pointer(&b)) = s
	(*sliceHeader)(unsafe.Pointer(&b)).Cap = len(s)
	return
}
