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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:15:26 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:15:26 +0000 |
commit | 82539ad8d59729fb45b0bb0edda8f2bddb719eb1 (patch) | |
tree | 58f0b58e6f44f0e04d4a6373132cf426fa835fa7 /src/internal/unsafeheader/unsafeheader.go | |
parent | Initial commit. (diff) | |
download | golang-1.17-upstream.tar.xz golang-1.17-upstream.zip |
Adding upstream version 1.17.13.upstream/1.17.13upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/internal/unsafeheader/unsafeheader.go | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/internal/unsafeheader/unsafeheader.go b/src/internal/unsafeheader/unsafeheader.go new file mode 100644 index 0000000..6d092c6 --- /dev/null +++ b/src/internal/unsafeheader/unsafeheader.go @@ -0,0 +1,37 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package unsafeheader contains header declarations for the Go runtime's slice +// and string implementations. +// +// This package allows packages that cannot import "reflect" to use types that +// are tested to be equivalent to reflect.SliceHeader and reflect.StringHeader. +package unsafeheader + +import ( + "unsafe" +) + +// Slice is the runtime representation of a slice. +// It cannot be used safely or portably and its representation may +// change in a later release. +// +// Unlike reflect.SliceHeader, its Data field is sufficient to guarantee the +// data it references will not be garbage collected. +type Slice struct { + Data unsafe.Pointer + Len int + Cap int +} + +// String is the runtime representation of a string. +// It cannot be used safely or portably and its representation may +// change in a later release. +// +// Unlike reflect.StringHeader, its Data field is sufficient to guarantee the +// data it references will not be garbage collected. +type String struct { + Data unsafe.Pointer + Len int +} |