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doc: document new reflect.UnsafePointer function 

Updates #40592

Change-Id: If66629e47ca9859128ee3ad8fb584e022d7a6982
Reviewed-on: https://go-review.googlesource.com/c/go/+/356255
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
This commit is contained in:
Cuong Manh Le 2021-10-18 23:54:02 +07:00
parent ae4d67c89d
commit 6c200017bf
1 changed files with 10 additions and 0 deletions
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doc/go1.18.html
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@ -175,6 +175,16 @@ Do not send CLs removing the interior tags from such phrases.
do fewer allocations.
</p>
</dd>
<dd>
<p><!-- CL 350691 -->
The new
<a href="/pkg/reflect/#Value.UnsafePointer"><code>Value.UnsafePointer</code></a>
method returns the Value's value as an <a href="/pkg/unsafe/#Pointer"><code>unsafe.Pointer</code></a>.
This allows callers to migrate from <a href="/pkg/reflect/#Value.UnsafeAddr"><code>Value.UnsafeAddr</code></a>
and <a href="/pkg/reflect/#Value.Pointer"><code>Value.Pointer</code></a>
to eliminate the need to perform uintptr to unsafe.Pointer conversions at the callsite (as unsafe.Pointer rules require).
</p>
</dd>
</dl><!-- reflect -->
<dl id="syscall"><dt><a href="/pkg/syscall/">syscall</a></dt>