unsafeheader.go

     1  // Copyright 2020 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // Package unsafeheader contains header declarations for the Go runtime's
     6  // slice and string implementations.
     7  //
     8  // This package allows x/sys to use types equivalent to
     9  // reflect.SliceHeader and reflect.StringHeader without introducing
    10  // a dependency on the (relatively heavy) "reflect" package.
    11  package unsafeheader
    12  
    13  import (
    14  	"unsafe"
    15  )
    16  
    17  // Slice is the runtime representation of a slice.
    18  // It cannot be used safely or portably and its representation may change in a later release.
    19  type Slice struct {
    20  	Data unsafe.Pointer
    21  	Len  int
    22  	Cap  int
    23  }
    24  
    25  // String is the runtime representation of a string.
    26  // It cannot be used safely or portably and its representation may change in a later release.
    27  type String struct {
    28  	Data unsafe.Pointer
    29  	Len  int
    30  }
    31
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