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reflect: document that InterfaceData is a low-entropy RNG
Change-Id: Ie26b9060630e2e774ac23d8492eaaf785bfca6b7 Reviewed-on: https://go-review.googlesource.com/c/go/+/330709 Reviewed-by: Ian Lance Taylor <iant@golang.org> Trust: Matthew Dempsky <mdempsky@google.com>
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@ -1381,10 +1381,16 @@ func valueInterface(v Value, safe bool) interface{} {
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return packEface(v)
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}
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// InterfaceData returns the interface v's value as a uintptr pair.
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// InterfaceData returns a pair of unspecified uintptr values.
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// It panics if v's Kind is not Interface.
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//
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// In earlier versions of Go, this function returned the interface's
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// value as a uintptr pair. As of Go 1.4, the implementation of
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// interface values precludes any defined use of InterfaceData.
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//
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// Deprecated: The memory representation of interface values is not
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// compatible with InterfaceData.
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func (v Value) InterfaceData() [2]uintptr {
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// TODO: deprecate this
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v.mustBe(Interface)
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// We treat this as a read operation, so we allow
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// it even for unexported data, because the caller
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