|  | // 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 weakdeps exists to add weak module dependencies. | 
|  | // | 
|  | // We want to ensure that this module is used with a minimum | 
|  | // version of certain other modules, without actually importing | 
|  | // those modules in normal builds. We do that by adding an | 
|  | // import of a package in the module under a build constraint | 
|  | // that is never satisfied in normal usage. | 
|  | package weakdeps |