github.com/dubbogo/gost@v1.14.0/strings/slice.go (about)

     1  /*
     2   * Licensed to the Apache Software Foundation (ASF) under one or more
     3   * contributor license agreements.  See the NOTICE file distributed with
     4   * this work for additional information regarding copyright ownership.
     5   * The ASF licenses this file to You under the Apache License, Version 2.0
     6   * (the "License"); you may not use this file except in compliance with
     7   * the License.  You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  
    18  package gxstrings
    19  
    20  import (
    21  	"reflect"
    22  	"unsafe"
    23  )
    24  
    25  func Slice(s string) (b []byte) {
    26  	bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
    27  	sh := (*reflect.StringHeader)(unsafe.Pointer(&s))
    28  	bh.Data = sh.Data
    29  	bh.Cap = sh.Len
    30  	bh.Len = sh.Len
    31  	return b
    32  }