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f8d1dee965
This library holds onto results with a weak reference, and guarantees that for as long as a result has not been garbage collected it will return the same result for the same key. Change-Id: I4a4528f31bf8bbf18809cbffe95dc93e05d769fe Reviewed-on: https://go-review.googlesource.com/c/tools/+/180845 Reviewed-by: Rebecca Stambler <rstambler@golang.org>
25 lines
773 B
Go
25 lines
773 B
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package memoize
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// NoCopy is a type with no public methods that will trigger a vet check if it
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// is ever copied.
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// You can embed this in any type intended to be used as a value. This helps
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// avoid accidentally holding a copy of a value instead of the value itself.
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type NoCopy struct {
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noCopy noCopy
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}
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// noCopy may be embedded into structs which must not be copied
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// after the first use.
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//
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// See https://golang.org/issues/8005#issuecomment-190753527
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// for details.
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type noCopy struct{}
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// Lock is a no-op used by -copylocks checker from `go vet`.
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func (*noCopy) Lock() {}
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func (*noCopy) Unlock() {}
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