| // Copyright 2019 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 memoize |
| |
| // NoCopy is a type with no public methods that will trigger a vet check if it |
| // is ever copied. |
| // You can embed this in any type intended to be used as a value. This helps |
| // avoid accidentally holding a copy of a value instead of the value itself. |
| type NoCopy struct { |
| noCopy noCopy |
| } |
| |
| // noCopy may be embedded into structs which must not be copied |
| // after the first use. |
| // |
| // See https://golang.org/issues/8005#issuecomment-190753527 |
| // for details. |
| type noCopy struct{} |
| |
| // Lock is a no-op used by -copylocks checker from `go vet`. |
| func (*noCopy) Lock() {} |
| func (*noCopy) Unlock() {} |
