github.com/sunvim/utils@v0.1.0/tools/strings.go (about)

     1  // Copyright (c) 2021 mobus sunsc0220@gmail.com
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  // http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package tools
    16  
    17  import (
    18  	"unsafe"
    19  )
    20  
    21  func BytesToStringFast(b []byte) string {
    22  	return *(*string)(unsafe.Pointer(&b))
    23  }
    24  
    25  func StringToBytes(s string) []byte {
    26  	x := (*[2]uintptr)(unsafe.Pointer(&s))
    27  	h := [3]uintptr{x[0], x[1], x[1]}
    28  	return *(*[]byte)(unsafe.Pointer(&h))
    29  }